<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:9f91cf4e-4e16-4ea9-ae6d-f6b75c9283f0,g:4c9e9c66-9fba-406c-9f05-1c2b2df23369-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.spx.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="spxc-20251231.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_2c55519b-1786-4ad8-937d-0c9b119f67fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_c2e7a02e-29ba-4315-acd5-f0ccad988650" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_2c55519b-1786-4ad8-937d-0c9b119f67fc" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_c2e7a02e-29ba-4315-acd5-f0ccad988650" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_8626b11a-fd3f-47fc-bbb5-be618cb3ba87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_2c55519b-1786-4ad8-937d-0c9b119f67fc" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_8626b11a-fd3f-47fc-bbb5-be618cb3ba87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_c6c37d1f-d183-421e-862f-99ebce089266" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_94fa654f-04c6-4208-8523-1d14938859b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_c6c37d1f-d183-421e-862f-99ebce089266" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_94fa654f-04c6-4208-8523-1d14938859b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_758f532c-1cee-412c-8292-ec1449155ece" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_c6c37d1f-d183-421e-862f-99ebce089266" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_758f532c-1cee-412c-8292-ec1449155ece" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c68ad237-efaa-42a0-8f30-b69d2dab7e01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:to="loc_us-gaap_OperatingIncomeLoss_c68ad237-efaa-42a0-8f30-b69d2dab7e01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d5c04e52-4371-4080-a33a-744ffb5aef1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_d5c04e52-4371-4080-a33a-744ffb5aef1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_0761e797-03ba-4f18-8978-33860bf15c80" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:to="loc_us-gaap_InterestExpenseNonoperating_0761e797-03ba-4f18-8978-33860bf15c80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_1cbe3b63-a880-4287-a90b-1e2eb01beca4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:to="loc_us-gaap_InvestmentIncomeInterest_1cbe3b63-a880-4287-a90b-1e2eb01beca4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019b4afb-d046-7629-8df3-9baff6c8fa1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_40bbdaff-39ac-4b7e-af5e-e54fd8ed0790" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019b4afb-d046-7629-8df3-9baff6c8fa1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3338e2fc-9d4f-4e23-9551-ed85f32e2d45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_5b858088-72ec-47c5-bcd2-f2726ada9ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_3338e2fc-9d4f-4e23-9551-ed85f32e2d45" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_5b858088-72ec-47c5-bcd2-f2726ada9ac0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_895b25be-9d16-4415-b164-0113ef09d636" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_3338e2fc-9d4f-4e23-9551-ed85f32e2d45" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_895b25be-9d16-4415-b164-0113ef09d636" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_4c7baba4-585a-4400-8abe-74dd64c76028" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0977b874-b8d9-45e7-a550-87676d9429f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_4c7baba4-585a-4400-8abe-74dd64c76028" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0977b874-b8d9-45e7-a550-87676d9429f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4013d462-c0d1-4743-b086-f4ff5a395b21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_4c7baba4-585a-4400-8abe-74dd64c76028" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4013d462-c0d1-4743-b086-f4ff5a395b21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_515fa743-83a0-4582-85bc-ebc0f22cce4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_515fa743-83a0-4582-85bc-ebc0f22cce4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_4af658d0-e225-459c-81b9-aaead5496590" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_4af658d0-e225-459c-81b9-aaead5496590" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6914719b-fc17-4c90-b9c2-95ad83f349a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6914719b-fc17-4c90-b9c2-95ad83f349a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_019c0020-1e50-713a-ab8f-a7e59212973c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_019c0020-1e50-713a-ab8f-a7e59212973c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_SpecialChargesNet_79c54fc7-25c3-4a9c-803d-f1cf3941d324" xlink:href="spxc-20251231.xsd#spxc_SpecialChargesNet"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_spxc_SpecialChargesNet_79c54fc7-25c3-4a9c-803d-f1cf3941d324" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_e9d8967b-9aed-43f8-b8d7-cae846d1049a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_e9d8967b-9aed-43f8-b8d7-cae846d1049a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_AmortizationOfIntangibleAssetsSellingGeneralAndAdministrative_c4aba4ff-39d8-43d6-910b-6049969d13ff" xlink:href="spxc-20251231.xsd#spxc_AmortizationOfIntangibleAssetsSellingGeneralAndAdministrative"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d81fd065-16cc-4dbc-8cb9-74cb6174749e" xlink:to="loc_spxc_AmortizationOfIntangibleAssetsSellingGeneralAndAdministrative_c4aba4ff-39d8-43d6-910b-6049969d13ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_90733174-65d1-4a60-b5ae-6c2cbd516aae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_6e9c961e-e46a-49f7-a9ea-cb69d4ef5a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_90733174-65d1-4a60-b5ae-6c2cbd516aae" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_6e9c961e-e46a-49f7-a9ea-cb69d4ef5a3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_317456cc-ae19-4ad0-bc36-e680f65e9308" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_90733174-65d1-4a60-b5ae-6c2cbd516aae" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_317456cc-ae19-4ad0-bc36-e680f65e9308" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="spxc-20251231.xsd#ConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ff219edb-3e85-4359-87e7-0da745b4a200" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_0a81b448-d473-4e2b-afeb-0e39b399650e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ff219edb-3e85-4359-87e7-0da745b4a200" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_0a81b448-d473-4e2b-afeb-0e39b399650e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_bcda0eea-f81e-4b82-a11d-3f7e1b17e7f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ff219edb-3e85-4359-87e7-0da745b4a200" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_bcda0eea-f81e-4b82-a11d-3f7e1b17e7f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_5bdcf345-a086-4119-b677-76d258faffbb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ff219edb-3e85-4359-87e7-0da745b4a200" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_5bdcf345-a086-4119-b677-76d258faffbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_6affecb1-8972-411b-8c28-9f3f309bf766" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_7585668c-d2c7-441f-baa4-7a9a53aaac8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6affecb1-8972-411b-8c28-9f3f309bf766" xlink:to="loc_us-gaap_NetIncomeLoss_7585668c-d2c7-441f-baa4-7a9a53aaac8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_874a460d-d3d5-4ed2-b03e-595de6d85e30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6affecb1-8972-411b-8c28-9f3f309bf766" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_874a460d-d3d5-4ed2-b03e-595de6d85e30" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="spxc-20251231.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValueOutstanding_c8ba0c08-e0d9-4f90-845f-c9b390b8bf86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValueOutstanding"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:to="loc_us-gaap_CommonStockValueOutstanding_c8ba0c08-e0d9-4f90-845f-c9b390b8bf86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_7adc82a7-0307-4a08-aa2f-b0dfb670e3ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_7adc82a7-0307-4a08-aa2f-b0dfb670e3ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f65deb17-695a-47c1-afe7-f0759c3c4c62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f65deb17-695a-47c1-afe7-f0759c3c4c62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4b2ccb52-91e8-4fac-afe4-cf7d543f2d59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4b2ccb52-91e8-4fac-afe4-cf7d543f2d59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_1fc61018-f5e3-49a0-a085-3a1de8341c98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_b7d6c4d1-3187-4806-b85c-7b53af144696" xlink:to="loc_us-gaap_TreasuryStockCommonValue_1fc61018-f5e3-49a0-a085-3a1de8341c98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_e6d16976-9d0e-4089-92d9-3360dea66fc8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_AccountsPayableCurrent_e6d16976-9d0e-4089-92d9-3360dea66fc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_582a3004-acc8-4c18-89a5-10c68063ac16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_582a3004-acc8-4c18-89a5-10c68063ac16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_fd54f7ae-cd0a-496b-ba38-81d553b8bb0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_fd54f7ae-cd0a-496b-ba38-81d553b8bb0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_45fc8790-933e-499c-b342-9ef3ecf86932" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_45fc8790-933e-499c-b342-9ef3ecf86932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_4a457290-d885-4360-a3fa-a2c9d6be1d83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_ShortTermBorrowings_4a457290-d885-4360-a3fa-a2c9d6be1d83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_eac3bea9-a39b-4f85-aa93-77abf50c0f31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_067af221-aae7-4c51-9fb6-af323f79b9f8" xlink:to="loc_us-gaap_LongTermDebtCurrent_eac3bea9-a39b-4f85-aa93-77abf50c0f31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_202cc1a1-4af7-4ba2-aae9-f5183aa666dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_85ed0a7f-523e-4115-8805-48606982926b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Land"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_202cc1a1-4af7-4ba2-aae9-f5183aa666dd" xlink:to="loc_us-gaap_Land_85ed0a7f-523e-4115-8805-48606982926b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_7e80acca-492c-4409-8fc6-3d17fd47f2e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BuildingsAndImprovementsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_202cc1a1-4af7-4ba2-aae9-f5183aa666dd" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_7e80acca-492c-4409-8fc6-3d17fd47f2e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_a1f5c036-a0cf-480b-bbdd-eb2db6bb871a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MachineryAndEquipmentGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_202cc1a1-4af7-4ba2-aae9-f5183aa666dd" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_a1f5c036-a0cf-480b-bbdd-eb2db6bb871a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_1683b46a-b0c3-4a7a-821d-f21f549e9821" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_AssetsCurrent_1683b46a-b0c3-4a7a-821d-f21f549e9821" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ed850496-85b1-40dd-a791-80b120114a50" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_Goodwill_ed850496-85b1-40dd-a791-80b120114a50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6c2f6b26-f8aa-477d-bcc8-f7058ffa99d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6c2f6b26-f8aa-477d-bcc8-f7058ffa99d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_de82ef01-fbaf-4bee-818e-a75014e6c3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_de82ef01-fbaf-4bee-818e-a75014e6c3bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_2aceff94-1c4b-4a33-abaa-f706d2f216b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_2aceff94-1c4b-4a33-abaa-f706d2f216b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_9fd9d4ea-dfd9-4960-a023-897165565dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_9fd9d4ea-dfd9-4960-a023-897165565dd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_AssetsOfAbandonedEntities_f921f5ea-3c46-4b04-b51d-8cb585cc45e2" xlink:href="spxc-20251231.xsd#spxc_AssetsOfAbandonedEntities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a65bf39d-aa44-4352-837b-52429d470f89" xlink:to="loc_spxc_AssetsOfAbandonedEntities_f921f5ea-3c46-4b04-b51d-8cb585cc45e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a0cf2fb-3f14-42a8-b471-72cebe1639f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_88043af8-7b94-4b8d-ae10-dbb2a6bfdff6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a0cf2fb-3f14-42a8-b471-72cebe1639f3" xlink:to="loc_us-gaap_LiabilitiesCurrent_88043af8-7b94-4b8d-ae10-dbb2a6bfdff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_ee4371da-927e-4a46-9121-4d7ebf6319af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a0cf2fb-3f14-42a8-b471-72cebe1639f3" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_ee4371da-927e-4a46-9121-4d7ebf6319af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4532b8ce-6853-4cd9-93c2-f31cc98ebca2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a0cf2fb-3f14-42a8-b471-72cebe1639f3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_4532b8ce-6853-4cd9-93c2-f31cc98ebca2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_df77838a-5215-4ba2-9044-c490633b2d37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_0a0cf2fb-3f14-42a8-b471-72cebe1639f3" xlink:to="loc_us-gaap_StockholdersEquity_df77838a-5215-4ba2-9044-c490633b2d37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_d4eb76a1-d2d8-4a2a-8827-9757a3138f6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_49e21a9e-2ef3-4fcb-ad61-f34069540da2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d4eb76a1-d2d8-4a2a-8827-9757a3138f6d" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_49e21a9e-2ef3-4fcb-ad61-f34069540da2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b7c32192-9fa2-42f3-a3a4-1f45349b61e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d4eb76a1-d2d8-4a2a-8827-9757a3138f6d" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b7c32192-9fa2-42f3-a3a4-1f45349b61e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_60447087-6925-4c7c-9930-562e22a8c9d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d4eb76a1-d2d8-4a2a-8827-9757a3138f6d" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_60447087-6925-4c7c-9930-562e22a8c9d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LiabilitiesOfAbandonedEntities_9314e726-fa0d-4c2e-9907-f8e07c8acb67" xlink:href="spxc-20251231.xsd#spxc_LiabilitiesOfAbandonedEntities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d4eb76a1-d2d8-4a2a-8827-9757a3138f6d" xlink:to="loc_spxc_LiabilitiesOfAbandonedEntities_9314e726-fa0d-4c2e-9907-f8e07c8acb67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_fe8765f2-6c8d-4258-8ef7-9a03a7f2545e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_b90a204e-21f7-4a8d-967c-819948646ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_fe8765f2-6c8d-4258-8ef7-9a03a7f2545e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_b90a204e-21f7-4a8d-967c-819948646ab9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_6455200f-c39d-4f3e-bd5f-570ac51056ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_fe8765f2-6c8d-4258-8ef7-9a03a7f2545e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_6455200f-c39d-4f3e-bd5f-570ac51056ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c6acd906-3afd-4674-abbe-f6f4af1ad1b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c6acd906-3afd-4674-abbe-f6f4af1ad1b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_34111d8c-f686-4eb7-bdfb-b5e21b74c67b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_34111d8c-f686-4eb7-bdfb-b5e21b74c67b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_fb424160-1b69-49e8-ac6d-b35145f383e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_fb424160-1b69-49e8-ac6d-b35145f383e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_33ebc8ed-7439-4d14-b5de-cc5ae286983f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:to="loc_us-gaap_InventoryNet_33ebc8ed-7439-4d14-b5de-cc5ae286983f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_17a4c90b-42c8-4425-953b-fe3c60d28e0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d8d9f479-c58d-420e-b18c-5cb1c68324d8" xlink:to="loc_us-gaap_OtherAssetsCurrent_17a4c90b-42c8-4425-953b-fe3c60d28e0a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="spxc-20251231.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_29a47fb6-fbf0-4e9a-ad52-4848357ff12a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_34fbf744-59c5-4b48-8b95-155aa3819595" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_29a47fb6-fbf0-4e9a-ad52-4848357ff12a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_34fbf744-59c5-4b48-8b95-155aa3819595" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8f079c5b-d540-489c-845f-6d4fe587fd8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_29a47fb6-fbf0-4e9a-ad52-4848357ff12a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8f079c5b-d540-489c-845f-6d4fe587fd8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_613ccd22-7713-424d-9f32-0dec36f35231" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_29a47fb6-fbf0-4e9a-ad52-4848357ff12a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_613ccd22-7713-424d-9f32-0dec36f35231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019c809f-4f9d-7c4f-a321-ef3189fbafa2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_29a47fb6-fbf0-4e9a-ad52-4848357ff12a" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019c809f-4f9d-7c4f-a321-ef3189fbafa2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_5bdb4636-22fc-4b55-ac91-9fc64289cec7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_edea2b9f-9da8-4572-8751-061b5bd753e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_5bdb4636-22fc-4b55-ac91-9fc64289cec7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_edea2b9f-9da8-4572-8751-061b5bd753e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_92bdaa6c-fa70-47c3-b6e6-cd9415978a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_5bdb4636-22fc-4b55-ac91-9fc64289cec7" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_92bdaa6c-fa70-47c3-b6e6-cd9415978a0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_BorrowingsUnderSeniorCreditFacilities_42cb8ce2-1bf5-4227-b855-24bc2f295541" xlink:href="spxc-20251231.xsd#spxc_BorrowingsUnderSeniorCreditFacilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_spxc_BorrowingsUnderSeniorCreditFacilities_42cb8ce2-1bf5-4227-b855-24bc2f295541" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_RepaymentsUnderSeniorCreditFacilities_d06c4b34-3d3c-4348-af49-0fac1a51bd19" xlink:href="spxc-20251231.xsd#spxc_RepaymentsUnderSeniorCreditFacilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_spxc_RepaymentsUnderSeniorCreditFacilities_d06c4b34-3d3c-4348-af49-0fac1a51bd19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_BorrowingUnderTradeReceivablesAgreement_aaaff869-715e-4e3e-bce6-ee548d03ecd5" xlink:href="spxc-20251231.xsd#spxc_BorrowingUnderTradeReceivablesAgreement"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_spxc_BorrowingUnderTradeReceivablesAgreement_aaaff869-715e-4e3e-bce6-ee548d03ecd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_RepaymentsUnderTradeReceivablesAgreement_9401a10f-29f2-4d6e-a4a1-735349e92dee" xlink:href="spxc-20251231.xsd#spxc_RepaymentsUnderTradeReceivablesAgreement"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_spxc_RepaymentsUnderTradeReceivablesAgreement_9401a10f-29f2-4d6e-a4a1-735349e92dee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9b4836f3-8c74-472f-b37a-52bd648b4a23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9b4836f3-8c74-472f-b37a-52bd648b4a23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_9c5fac70-0894-42e2-8ac3-826c0b4c52f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_9c5fac70-0894-42e2-8ac3-826c0b4c52f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_0f271b63-bd45-4ec4-a063-de970014f758" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_0f271b63-bd45-4ec4-a063-de970014f758" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_PaymentProceedsTaxWithholdingShareBasedPaymentArrangement_e72b3fc2-799e-4401-9018-06921770791f" xlink:href="spxc-20251231.xsd#spxc_PaymentProceedsTaxWithholdingShareBasedPaymentArrangement"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_3849c589-dafe-4071-84ac-2513fd814e0f" xlink:to="loc_spxc_PaymentProceedsTaxWithholdingShareBasedPaymentArrangement_e72b3fc2-799e-4401-9018-06921770791f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_e7ceeba9-18d7-4fc3-8610-5ec89a04871a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_b6b9eb07-f404-4cae-9715-56a67f4aac4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_e7ceeba9-18d7-4fc3-8610-5ec89a04871a" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_b6b9eb07-f404-4cae-9715-56a67f4aac4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromLifeInsurancePolicies_d5724f14-fbed-4c39-878a-700b45781c9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromLifeInsurancePolicies"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_e7ceeba9-18d7-4fc3-8610-5ec89a04871a" xlink:to="loc_us-gaap_PaymentsForProceedsFromLifeInsurancePolicies_d5724f14-fbed-4c39-878a-700b45781c9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_8b939a3c-e84d-45d0-877d-32200d306f37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSalesOfAssetsInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_e7ceeba9-18d7-4fc3-8610-5ec89a04871a" xlink:to="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_8b939a3c-e84d-45d0-877d-32200d306f37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_7f64cf14-6755-4106-bb44-94392f5dc907" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_e7ceeba9-18d7-4fc3-8610-5ec89a04871a" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_7f64cf14-6755-4106-bb44-94392f5dc907" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b9152b2-c8f2-4232-a6c6-03e50d4c22a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_f6b2820a-5a01-41bd-8157-93eeeb4f4fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b9152b2-c8f2-4232-a6c6-03e50d4c22a8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_f6b2820a-5a01-41bd-8157-93eeeb4f4fe0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_0be5bf8a-38d7-4fbb-9576-42da4a9bf7a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b9152b2-c8f2-4232-a6c6-03e50d4c22a8" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_0be5bf8a-38d7-4fbb-9576-42da4a9bf7a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d72ef8dd-2e2c-437c-a27f-a1f2e54fb896" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d72ef8dd-2e2c-437c-a27f-a1f2e54fb896" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_AmortizationOfDeferredCompensationPlanAsset_91144c27-0053-4d0e-badd-1c425d8a96c8" xlink:href="spxc-20251231.xsd#spxc_AmortizationOfDeferredCompensationPlanAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_spxc_AmortizationOfDeferredCompensationPlanAsset_91144c27-0053-4d0e-badd-1c425d8a96c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount_ca8de194-19dd-4708-8e4c-29fbe96df23d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount_ca8de194-19dd-4708-8e4c-29fbe96df23d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount_019c8b21-48d8-7c54-bcd0-3ae88c545c59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount_019c8b21-48d8-7c54-bcd0-3ae88c545c59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_78a780e3-0ea0-4094-bf7d-885211f34fea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_78a780e3-0ea0-4094-bf7d-885211f34fea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_2c149cfa-6be9-4128-8563-a81ec5d92e3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_2c149cfa-6be9-4128-8563-a81ec5d92e3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_SpecialChargesNet_9013fa62-f8d2-460b-a007-60cdfef765fd" xlink:href="spxc-20251231.xsd#spxc_SpecialChargesNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_spxc_SpecialChargesNet_9013fa62-f8d2-460b-a007-60cdfef765fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_ace7942c-7c7d-47d5-833a-3235ee612554" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_ace7942c-7c7d-47d5-833a-3235ee612554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_edc7de9f-9130-404b-8cc2-c67a64004501" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_edc7de9f-9130-404b-8cc2-c67a64004501" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_2c6b435f-9199-4acf-a046-c6c071bbd501" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_2c6b435f-9199-4acf-a046-c6c071bbd501" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_8c100f17-30a3-418b-831c-19756a035c5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_PaymentsForRestructuring_8c100f17-30a3-418b-831c-19756a035c5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_bfdca132-14ec-4c8b-98fa-91987bb5fd39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_bfdca132-14ec-4c8b-98fa-91987bb5fd39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_f769903a-b065-4955-a70e-9e7ad3c1242a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_ShareBasedCompensation_f769903a-b065-4955-a70e-9e7ad3c1242a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseToEmployeeRetentionAgreementsForAcquisition_49a56c95-78be-4793-a099-61e00a29b58e" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseToEmployeeRetentionAgreementsForAcquisition"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_spxc_IncreaseDecreaseToEmployeeRetentionAgreementsForAcquisition_49a56c95-78be-4793-a099-61e00a29b58e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_fdf55974-fd8a-433e-83f4-037b94e309ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_fdf55974-fd8a-433e-83f4-037b94e309ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e88afa67-2bc8-428d-83ea-fdc83c8eb94a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e88afa67-2bc8-428d-83ea-fdc83c8eb94a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_019bfa7c-5234-72a5-b8b0-7e55a841db61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_36e7dc53-a1c3-4aac-8530-4682e9b8fe41" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_019bfa7c-5234-72a5-b8b0-7e55a841db61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11bc0dce-54ba-44f5-99e7-ec99ad5daf92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_c5267336-2e31-4384-88c7-c4116e3a8965" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11bc0dce-54ba-44f5-99e7-ec99ad5daf92" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_c5267336-2e31-4384-88c7-c4116e3a8965" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_44f6b75f-c569-43c7-b287-fc1cda2ccddc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11bc0dce-54ba-44f5-99e7-ec99ad5daf92" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_44f6b75f-c569-43c7-b287-fc1cda2ccddc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ConsolidatedStatementsofCashFlowsParenthetical" xlink:type="simple" xlink:href="spxc-20251231.xsd#ConsolidatedStatementsofCashFlowsParenthetical"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ConsolidatedStatementsofCashFlowsParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_d9bc1260-0264-45e4-b102-09ae1cca74ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_CashAndCashEquivalentsIncludedInAssetsOfAbandonedEntities_e39501ff-dedb-4f10-b78c-a0f571db8775" xlink:href="spxc-20251231.xsd#spxc_CashAndCashEquivalentsIncludedInAssetsOfAbandonedEntities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_d9bc1260-0264-45e4-b102-09ae1cca74ab" xlink:to="loc_spxc_CashAndCashEquivalentsIncludedInAssetsOfAbandonedEntities_e39501ff-dedb-4f10-b78c-a0f571db8775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5480c22d-c22b-4e4e-93f4-86a1b8e9bf60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_d9bc1260-0264-45e4-b102-09ae1cca74ab" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5480c22d-c22b-4e4e-93f4-86a1b8e9bf60" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/UseofEstimatesAccruedExpensesDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#UseofEstimatesAccruedExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/UseofEstimatesAccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_08e0ead8-7bbc-46d7-83fc-355d99e95b89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedBonusesCurrent_280ccb58-a54b-4287-aeb6-b989cf7fc70a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedBonusesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_08e0ead8-7bbc-46d7-83fc-355d99e95b89" xlink:to="loc_us-gaap_AccruedBonusesCurrent_280ccb58-a54b-4287-aeb6-b989cf7fc70a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_59a4b065-a2ff-4de1-a2c8-999a33fcc45d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_08e0ead8-7bbc-46d7-83fc-355d99e95b89" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_59a4b065-a2ff-4de1-a2c8-999a33fcc45d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_11a59787-a0ec-4c83-b44c-53f1ae87b055" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_08e0ead8-7bbc-46d7-83fc-355d99e95b89" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_11a59787-a0ec-4c83-b44c-53f1ae87b055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_6fce911a-785d-4d1a-8fe2-3e067a8535c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_08e0ead8-7bbc-46d7-83fc-355d99e95b89" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_6fce911a-785d-4d1a-8fe2-3e067a8535c2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/UseofEstimatesWarrantyDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#UseofEstimatesWarrantyDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/UseofEstimatesWarrantyDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrual_cb7404dc-926b-4598-8a03-b2431dd9571d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrual"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_b6152c0e-e8d8-4bc9-a0f5-1304c3e2d4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_cb7404dc-926b-4598-8a03-b2431dd9571d" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_b6152c0e-e8d8-4bc9-a0f5-1304c3e2d4ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_70006ff5-7120-4b3d-8436-cad8678c7f3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrualNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_cb7404dc-926b-4598-8a03-b2431dd9571d" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_70006ff5-7120-4b3d-8436-cad8678c7f3e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsAcquisitionsDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#AcquisitionsandDiscontinuedOperationsAcquisitionsDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:href="spxc-20251231.xsd#spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_eac9ade1-68f8-4d11-a8c7-5c87da7d7d10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:to="loc_us-gaap_Goodwill_eac9ade1-68f8-4d11-a8c7-5c87da7d7d10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_8653c57a-e5ac-4320-a1f4-c970ada138c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_8653c57a-e5ac-4320-a1f4-c970ada138c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_0bfed1ce-39ce-41a5-a1e3-0fb02b3e873f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_0bfed1ce-39ce-41a5-a1e3-0fb02b3e873f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_3f664be2-4fa9-4cf3-baaa-3331acaeb6aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_3f664be2-4fa9-4cf3-baaa-3331acaeb6aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_f78915f4-d9ef-4b8b-80d3-99f356d8ff31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_69851ff3-8eef-4237-80ae-610afcc8624b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_f78915f4-d9ef-4b8b-80d3-99f356d8ff31" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsWindDownofDBTAssetsandLiabilitiesofDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#AcquisitionsandDiscontinuedOperationsWindDownofDBTAssetsandLiabilitiesofDiscontinuedOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsWindDownofDBTAssetsandLiabilitiesofDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_cd37d003-d05b-413e-a9c7-b1c53ef85e5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_678ae097-f756-481c-8500-6e3f1e407989" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_cd37d003-d05b-413e-a9c7-b1c53ef85e5a" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_678ae097-f756-481c-8500-6e3f1e407989" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_05f851e9-70f2-4650-a413-fd7b486ed27e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_cd37d003-d05b-413e-a9c7-b1c53ef85e5a" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_05f851e9-70f2-4650-a413-fd7b486ed27e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_04cf929f-c913-4b0f-be11-2f282d39cbf9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_d8b41b25-339a-4649-a99b-c1a1b61aec92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_04cf929f-c913-4b0f-be11-2f282d39cbf9" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_d8b41b25-339a-4649-a99b-c1a1b61aec92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent_86231e0f-8560-4bcc-936e-b98796fdc9b7" xlink:href="spxc-20251231.xsd#spxc_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_04cf929f-c913-4b0f-be11-2f282d39cbf9" xlink:to="loc_spxc_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent_86231e0f-8560-4bcc-936e-b98796fdc9b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_7a823fd8-a95a-4552-a1fc-1edbb6303a29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_04cf929f-c913-4b0f-be11-2f282d39cbf9" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_7a823fd8-a95a-4552-a1fc-1edbb6303a29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_ec50cd76-a587-44c3-b83a-ccb6c58fbd46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_04cf929f-c913-4b0f-be11-2f282d39cbf9" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_ec50cd76-a587-44c3-b83a-ccb6c58fbd46" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsResultsofOperationsDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#AcquisitionsandDiscontinuedOperationsResultsofOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/AcquisitionsandDiscontinuedOperationsResultsofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_f6c4ccc1-d654-4ac6-8dcd-3e402639f40e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_a10072b8-eef7-4b64-86a8-edcb82cd9eb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_f6c4ccc1-d654-4ac6-8dcd-3e402639f40e" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_a10072b8-eef7-4b64-86a8-edcb82cd9eb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_2da974c1-9680-4633-94cc-2ea209729ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_f6c4ccc1-d654-4ac6-8dcd-3e402639f40e" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_2da974c1-9680-4633-94cc-2ea209729ab6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/RevenuesfromContractsContractBalancesDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#RevenuesfromContractsContractBalancesDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/RevenuesfromContractsContractBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseinContractwithCustomersNet_68fdb512-3b0d-4c73-8b87-46e46bf1c91d" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseinContractwithCustomersNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseinContractwithCustomerAssetNetCurrent_b24e134e-4818-40f9-a87e-129c25b4ad93" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseinContractwithCustomerAssetNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_IncreaseDecreaseinContractwithCustomersNet_68fdb512-3b0d-4c73-8b87-46e46bf1c91d" xlink:to="loc_spxc_IncreaseDecreaseinContractwithCustomerAssetNetCurrent_b24e134e-4818-40f9-a87e-129c25b4ad93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseinContractwithCustomerLiabilityNoncurrent_1c5ac194-6de5-47f4-af06-865c5578f829" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseinContractwithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_IncreaseDecreaseinContractwithCustomersNet_68fdb512-3b0d-4c73-8b87-46e46bf1c91d" xlink:to="loc_spxc_IncreaseDecreaseinContractwithCustomerLiabilityNoncurrent_1c5ac194-6de5-47f4-af06-865c5578f829" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseinAccountsReceivableNet_b198d101-ab51-443a-af47-79752dd2a8cd" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseinAccountsReceivableNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_IncreaseDecreaseinContractwithCustomersNet_68fdb512-3b0d-4c73-8b87-46e46bf1c91d" xlink:to="loc_spxc_IncreaseDecreaseinAccountsReceivableNet_b198d101-ab51-443a-af47-79752dd2a8cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_IncreaseDecreaseinContractwithCustomerLiabilityCurrent_b09690f0-729b-4546-9134-f22de5fcb2c6" xlink:href="spxc-20251231.xsd#spxc_IncreaseDecreaseinContractwithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_IncreaseDecreaseinContractwithCustomersNet_68fdb512-3b0d-4c73-8b87-46e46bf1c91d" xlink:to="loc_spxc_IncreaseDecreaseinContractwithCustomerLiabilityCurrent_b09690f0-729b-4546-9134-f22de5fcb2c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_ContractwithCustomersNet_0e7d2481-2b80-484b-9c74-3320b30a5324" xlink:href="spxc-20251231.xsd#spxc_ContractwithCustomersNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f2072110-97ab-44e5-88c1-4dfd6603065b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_ContractwithCustomersNet_0e7d2481-2b80-484b-9c74-3320b30a5324" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f2072110-97ab-44e5-88c1-4dfd6603065b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_fa4e460b-deec-450e-bfb4-1a4ad7bc4d81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_ContractwithCustomersNet_0e7d2481-2b80-484b-9c74-3320b30a5324" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_fa4e460b-deec-450e-bfb4-1a4ad7bc4d81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_10476fa8-ce09-4c97-9137-8296a8d279b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_ContractwithCustomersNet_0e7d2481-2b80-484b-9c74-3320b30a5324" xlink:to="loc_us-gaap_AccountsReceivableNet_10476fa8-ce09-4c97-9137-8296a8d279b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_599d2f05-e185-42d5-b24b-a29eb0884a32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_ContractwithCustomersNet_0e7d2481-2b80-484b-9c74-3320b30a5324" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_599d2f05-e185-42d5-b24b-a29eb0884a32" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/LeasesLeaseCostDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#LeasesLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/LeasesLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spxc_FinanceLeaseCost_8dbcc3a0-61ab-46a1-9822-c34d70cdcded" xlink:href="spxc-20251231.xsd#spxc_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_1ff8341c-ec24-4782-bb64-5f9865adcc61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_FinanceLeaseCost_8dbcc3a0-61ab-46a1-9822-c34d70cdcded" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_1ff8341c-ec24-4782-bb64-5f9865adcc61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_9129f5fc-54a7-411a-b432-3dde564e8e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_FinanceLeaseCost_8dbcc3a0-61ab-46a1-9822-c34d70cdcded" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_9129f5fc-54a7-411a-b432-3dde564e8e1f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#LeasesSupplementalBalanceSheetInformationDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_25cbd826-51dd-4055-ab9c-f52dd82b823f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_2d9f0c97-8b45-447a-9ff6-213442f745d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_25cbd826-51dd-4055-ab9c-f52dd82b823f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_2d9f0c97-8b45-447a-9ff6-213442f745d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_a43a6a73-57ba-415d-9b6e-4e59bcb5865b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_25cbd826-51dd-4055-ab9c-f52dd82b823f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_a43a6a73-57ba-415d-9b6e-4e59bcb5865b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_3651b769-3525-4a39-93ed-ae7b52d3ddb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_19f31a5f-d529-4067-9b68-9e3e2af3eeb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_3651b769-3525-4a39-93ed-ae7b52d3ddb6" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_19f31a5f-d529-4067-9b68-9e3e2af3eeb9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_47ad7b0f-9625-49e3-bbe1-5c63ef1fe1a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_3651b769-3525-4a39-93ed-ae7b52d3ddb6" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_47ad7b0f-9625-49e3-bbe1-5c63ef1fe1a8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/LeasesFutureMinimumPaymentsDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#LeasesFutureMinimumPaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/LeasesFutureMinimumPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFive_9e03019c-468a-4c52-9fb0-5a3cba9c6a6a" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive_3046968f-4e7d-4683-8dc3-d379740c593a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFive_9e03019c-468a-4c52-9fb0-5a3cba9c6a6a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive_3046968f-4e7d-4683-8dc3-d379740c593a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive_89751bdc-e655-4a80-9d5d-c83753eccc59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFive_9e03019c-468a-4c52-9fb0-5a3cba9c6a6a" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive_89751bdc-e655-4a80-9d5d-c83753eccc59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive_ed6001b0-7166-4498-b967-789f874a5b05" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive_36d91279-33ee-4b8a-8d64-d682ae59a76b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive_ed6001b0-7166-4498-b967-789f874a5b05" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive_36d91279-33ee-4b8a-8d64-d682ae59a76b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive_38355687-d1e9-472d-9c54-cc1f3223313c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive_ed6001b0-7166-4498-b967-789f874a5b05" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive_38355687-d1e9-472d-9c54-cc1f3223313c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths_fece495c-901a-4771-acc2-a3c901f7d73a" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths_fece495c-901a-4771-acc2-a3c901f7d73a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearTwo_2cb43dfd-1c80-4e7d-a95e-41939105b8d2" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearTwo_2cb43dfd-1c80-4e7d-a95e-41939105b8d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearThree_9b234131-85f0-47ea-9fd8-d1696f070f48" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearThree_9b234131-85f0-47ea-9fd8-d1696f070f48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFour_2a48664c-643e-44cc-b67e-d0c2bb480d19" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFour_2a48664c-643e-44cc-b67e-d0c2bb480d19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFive_4e3ca619-67b0-4102-942d-5d67ab7c0c3f" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFive_4e3ca619-67b0-4102-942d-5d67ab7c0c3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive_bbdb2d31-a8b8-4b1e-8794-9f34db8b44c3" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDue_f5411ab9-a736-4d1c-b41b-ec53fb697fc7" xlink:to="loc_spxc_LeaseLiabilityPaymentsDueInRollingAfterYearFive_bbdb2d31-a8b8-4b1e-8794-9f34db8b44c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearTwo_1acd095c-0a67-4db5-99c8-bbd9f1b5a9d9" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo_acb1f946-63d0-46da-95f8-a19fde9c032c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearTwo_1acd095c-0a67-4db5-99c8-bbd9f1b5a9d9" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo_acb1f946-63d0-46da-95f8-a19fde9c032c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo_a61fa4e0-f889-4b1e-814f-caa4a7d41957" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearTwo_1acd095c-0a67-4db5-99c8-bbd9f1b5a9d9" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo_a61fa4e0-f889-4b1e-814f-caa4a7d41957" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths_5b16d7a1-60c1-49ae-a1df-0d98a5362c1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths_5b16d7a1-60c1-49ae-a1df-0d98a5362c1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo_412fe381-bce5-4240-b339-c95bd9060eb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo_412fe381-bce5-4240-b339-c95bd9060eb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree_400c2f41-8ea2-4e5a-80f3-fcd6d2ee39bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree_400c2f41-8ea2-4e5a-80f3-fcd6d2ee39bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour_423188f5-7801-4877-b3b7-caae1c32dc15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour_423188f5-7801-4877-b3b7-caae1c32dc15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive_424b56fe-a1df-4552-9037-bd876e0b039f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive_424b56fe-a1df-4552-9037-bd876e0b039f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive_9c0f8e37-cdd5-42a4-9809-01a843bab998" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4ae91b51-4c8e-4018-abf1-ce345eed39e0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive_9c0f8e37-cdd5-42a4-9809-01a843bab998" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths_5b7d1bbf-ed25-4189-abfc-6ef049201edb" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths_72124604-dd0a-4fed-8265-9f0341c253fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths_5b7d1bbf-ed25-4189-abfc-6ef049201edb" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths_72124604-dd0a-4fed-8265-9f0341c253fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths_2ad19315-4f90-4927-9034-ca51c5844a5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInNextRollingTwelveMonths_5b7d1bbf-ed25-4189-abfc-6ef049201edb" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths_2ad19315-4f90-4927-9034-ca51c5844a5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearThree_827f3f4f-debb-4a79-94d2-3c7bcaddbe36" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree_c2671cd0-ac29-4e0b-b3eb-bc88bbf76456" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearThree_827f3f4f-debb-4a79-94d2-3c7bcaddbe36" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree_c2671cd0-ac29-4e0b-b3eb-bc88bbf76456" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree_47bb4bc8-66b9-45f6-9f21-a745b116f19a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearThree_827f3f4f-debb-4a79-94d2-3c7bcaddbe36" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree_47bb4bc8-66b9-45f6-9f21-a745b116f19a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths_6a311081-ad8c-4218-afa0-a7f70f1f1ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths_6a311081-ad8c-4218-afa0-a7f70f1f1ab4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo_08e8467f-a442-4063-b877-b1cb482f88ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo_08e8467f-a442-4063-b877-b1cb482f88ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree_6fab58ff-cba0-4ace-b917-643e301aad35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree_6fab58ff-cba0-4ace-b917-643e301aad35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour_1ffe0e4f-a9ed-469a-9b5f-7653f68df2ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour_1ffe0e4f-a9ed-469a-9b5f-7653f68df2ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive_940b4e84-2fac-42ec-8cdb-6a2a52bf8e59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive_940b4e84-2fac-42ec-8cdb-6a2a52bf8e59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive_29ddb9aa-c308-4c99-829d-f8a0aa239905" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a37ad7a5-aa5b-486d-96b5-130edf9af07b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive_29ddb9aa-c308-4c99-829d-f8a0aa239905" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityUndiscountedExcessAmount_1987f365-50e1-4ec5-be46-042e1e80047b" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityUndiscountedExcessAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_1116e20c-e52a-488a-8304-dbed61f5bdcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityUndiscountedExcessAmount_1987f365-50e1-4ec5-be46-042e1e80047b" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_1116e20c-e52a-488a-8304-dbed61f5bdcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_31071877-c4a9-4f51-9486-2114211e1139" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityUndiscountedExcessAmount_1987f365-50e1-4ec5-be46-042e1e80047b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_31071877-c4a9-4f51-9486-2114211e1139" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiability_30bd1a9e-22cc-4e46-91e6-a9daf57e1cf0" xlink:href="spxc-20251231.xsd#spxc_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_2c279eb4-308f-468a-a426-64d0a67b1184" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiability_30bd1a9e-22cc-4e46-91e6-a9daf57e1cf0" xlink:to="loc_us-gaap_OperatingLeaseLiability_2c279eb4-308f-468a-a426-64d0a67b1184" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_df21a8e9-9de2-46be-ba64-36458ccc320c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiability_30bd1a9e-22cc-4e46-91e6-a9daf57e1cf0" xlink:to="loc_us-gaap_FinanceLeaseLiability_df21a8e9-9de2-46be-ba64-36458ccc320c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFour_fff2e91d-5397-419c-9e2c-4f90f9e22ce8" xlink:href="spxc-20251231.xsd#spxc_LeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour_fedf1dae-cbbb-48bf-9f97-20a019212524" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFour_fff2e91d-5397-419c-9e2c-4f90f9e22ce8" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour_fedf1dae-cbbb-48bf-9f97-20a019212524" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour_95676aae-e2da-4a6e-ac9f-5840daa1dbf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spxc_LeaseLiabilityPaymentsDueInRollingYearFour_fff2e91d-5397-419c-9e2c-4f90f9e22ce8" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour_95676aae-e2da-4a6e-ac9f-5840daa1dbf4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/InventoriesNetDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#InventoriesNetDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/InventoriesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_108893e4-30a3-41fa-826d-2af0f081e685" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_70f3f028-54c4-4c36-ab24-0ad8f5daae5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_108893e4-30a3-41fa-826d-2af0f081e685" xlink:to="loc_us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves_70f3f028-54c4-4c36-ab24-0ad8f5daae5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_2aa5009c-d2e8-4c11-8b65-78143002f481" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_108893e4-30a3-41fa-826d-2af0f081e685" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_2aa5009c-d2e8-4c11-8b65-78143002f481" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_2e6e1452-8763-43f8-bc1c-7f51e11e57d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_108893e4-30a3-41fa-826d-2af0f081e685" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_2e6e1452-8763-43f8-bc1c-7f51e11e57d1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsGoodwillDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#GoodwillandOtherIntangibleAssetsGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_3f099803-0f1c-48bb-8f57-3b84602b0a40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_8d2532b3-b293-4fa8-8d99-70def73d2fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_3f099803-0f1c-48bb-8f57-3b84602b0a40" xlink:to="loc_us-gaap_GoodwillGross_8d2532b3-b293-4fa8-8d99-70def73d2fe9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_30291fb9-6cc7-4c77-8a68-3cf9a7aa7549" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_3f099803-0f1c-48bb-8f57-3b84602b0a40" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_30291fb9-6cc7-4c77-8a68-3cf9a7aa7549" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dd771838-0bbb-43a4-85d8-84e25124aadf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_dae62789-807e-47c2-a69b-2ba91d9137ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dd771838-0bbb-43a4-85d8-84e25124aadf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_dae62789-807e-47c2-a69b-2ba91d9137ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2f662d84-396d-40fd-bac2-ed5b38d79bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_dd771838-0bbb-43a4-85d8-84e25124aadf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2f662d84-396d-40fd-bac2-ed5b38d79bb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5f8df1c4-be47-4bed-9100-5bea7a5c6c32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_f979d56d-8717-4ce5-a22b-58049944f260" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5f8df1c4-be47-4bed-9100-5bea7a5c6c32" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_f979d56d-8717-4ce5-a22b-58049944f260" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c669d623-8ec5-48ce-a332-8d021793765a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5f8df1c4-be47-4bed-9100-5bea7a5c6c32" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c669d623-8ec5-48ce-a332-8d021793765a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_6d2156c8-96a3-4c0b-9185-5ab7d4e1f866" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_eab19b77-f09b-4264-8360-d297dd327f73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_6d2156c8-96a3-4c0b-9185-5ab7d4e1f866" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_eab19b77-f09b-4264-8360-d297dd327f73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_60f4e7a7-b29b-42e8-855a-7038f375660d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_6d2156c8-96a3-4c0b-9185-5ab7d4e1f866" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_60f4e7a7-b29b-42e8-855a-7038f375660d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails_1" xlink:type="simple" xlink:href="spxc-20251231.xsd#GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails_1"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/GoodwillandOtherIntangibleAssetsIntangiblesAssetsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5242f039-d8fd-43d8-9542-245c6d50e99d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_6e7d4554-1e8b-4e67-9668-8c53a5f42164" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5242f039-d8fd-43d8-9542-245c6d50e99d" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_6e7d4554-1e8b-4e67-9668-8c53a5f42164" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_d88abace-669e-4ff8-a7c5-3afdd8ea36fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_5242f039-d8fd-43d8-9542-245c6d50e99d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_d88abace-669e-4ff8-a7c5-3afdd8ea36fc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/EmployeeBenefitPlansObligationsandFundedStatusDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#EmployeeBenefitPlansObligationsandFundedStatusDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/EmployeeBenefitPlansObligationsandFundedStatusDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_63d56b3d-471d-47bb-8ea1-99e5cb312648" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_d419f171-3268-4b95-a9d4-cbd72ad48a9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_63d56b3d-471d-47bb-8ea1-99e5cb312648" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_d419f171-3268-4b95-a9d4-cbd72ad48a9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_eb532272-e61f-4f13-9d4c-7d494fd316a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_63d56b3d-471d-47bb-8ea1-99e5cb312648" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_eb532272-e61f-4f13-9d4c-7d494fd316a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e497c798-981d-4c10-ba75-4990357c9f75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_63d56b3d-471d-47bb-8ea1-99e5cb312648" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e497c798-981d-4c10-ba75-4990357c9f75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ad1a286e-e601-40f4-bdcf-468b1ea8ec6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_e862ede0-038e-456c-9f2a-65982440b1a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ad1a286e-e601-40f4-bdcf-468b1ea8ec6a" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_e862ede0-038e-456c-9f2a-65982440b1a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_31438a8c-e941-454f-b386-1935800a6839" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ad1a286e-e601-40f4-bdcf-468b1ea8ec6a" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_31438a8c-e941-454f-b386-1935800a6839" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/EmployeeBenefitPlansPostretirementBenefitPlansDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#EmployeeBenefitPlansPostretirementBenefitPlansDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/EmployeeBenefitPlansPostretirementBenefitPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fa90ccd5-bd8d-4ea1-b717-2cd1bca9bcdb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_0ef355e7-f5ec-48a8-98b3-3073cfde07fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fa90ccd5-bd8d-4ea1-b717-2cd1bca9bcdb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_0ef355e7-f5ec-48a8-98b3-3073cfde07fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_cfcb0ca9-abb5-4332-a545-f608fec2a6b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fa90ccd5-bd8d-4ea1-b717-2cd1bca9bcdb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_cfcb0ca9-abb5-4332-a545-f608fec2a6b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_602fad99-0b97-4319-b0f4-24c788e14a96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fa90ccd5-bd8d-4ea1-b717-2cd1bca9bcdb" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_602fad99-0b97-4319-b0f4-24c788e14a96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_09f12a73-b31c-4113-ac83-4f83d14b61b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fa90ccd5-bd8d-4ea1-b717-2cd1bca9bcdb" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_09f12a73-b31c-4113-ac83-4f83d14b61b3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/IncomeTaxesIncomeTaxesProvisionforBenefitDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#IncomeTaxesIncomeTaxesProvisionforBenefitDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/IncomeTaxesIncomeTaxesProvisionforBenefitDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f27c02e3-8841-4f04-8254-ecf59dc25485" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e6257097-dcc1-4957-b215-872821406ff1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f27c02e3-8841-4f04-8254-ecf59dc25485" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e6257097-dcc1-4957-b215-872821406ff1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5365dc6b-b451-4b85-b518-cf1c91a92c68" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f27c02e3-8841-4f04-8254-ecf59dc25485" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5365dc6b-b451-4b85-b518-cf1c91a92c68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_113075e9-8f9b-4ce3-89e3-d951f38972e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_60b45cdc-76e2-48c3-87c3-8c28f6272a46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_113075e9-8f9b-4ce3-89e3-d951f38972e2" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_60b45cdc-76e2-48c3-87c3-8c28f6272a46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_c7326998-a08b-43e7-ab66-aaf249e7a112" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_113075e9-8f9b-4ce3-89e3-d951f38972e2" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_c7326998-a08b-43e7-ab66-aaf249e7a112" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_af3c923a-b3c3-402c-8a3b-44289e98efb5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_d6b87ad5-05fc-4016-84b1-b3d9b20d35a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_af3c923a-b3c3-402c-8a3b-44289e98efb5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_d6b87ad5-05fc-4016-84b1-b3d9b20d35a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_8d3984a2-a25e-4b89-948d-1444de66a1b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_af3c923a-b3c3-402c-8a3b-44289e98efb5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_8d3984a2-a25e-4b89-948d-1444de66a1b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_51bcf40b-c640-44e0-91b2-d119e55b9aa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_cee32821-4f88-4359-88ca-b9f56f9bbb88" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_51bcf40b-c640-44e0-91b2-d119e55b9aa3" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_cee32821-4f88-4359-88ca-b9f56f9bbb88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_5c4ab07f-0613-4346-96a7-24dd3b45bcc4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_51bcf40b-c640-44e0-91b2-d119e55b9aa3" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_5c4ab07f-0613-4346-96a7-24dd3b45bcc4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/IncomeTaxesEffectiveTaxRateReconciliationDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#IncomeTaxesEffectiveTaxRateReconciliationDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/IncomeTaxesEffectiveTaxRateReconciliationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c489e-2b11-74d7-a933-ab48c3507d03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c489e-2b11-74d7-a933-ab48c3507d03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019c489e-2b11-7270-9f8c-9dce60fb3f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019c489e-2b11-7270-9f8c-9dce60fb3f9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c489e-2b11-7b90-a5ad-954d13511a50" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c489e-2b11-7b90-a5ad-954d13511a50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_019c489e-2b11-729c-a5ed-63adf0d4f2cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_019c489e-2b11-729c-a5ed-63adf0d4f2cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_019c489e-2b11-71c1-8fa0-ff628dffa9bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_019c489e-2b11-71c1-8fa0-ff628dffa9bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019c489e-2b11-7f8b-a816-642e53054f26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019c489e-2b11-7f8b-a816-642e53054f26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019c489e-2b11-7bbd-8919-b5883c4370a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019c489e-2b11-7bbd-8919-b5883c4370a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019c489e-2b11-7b83-b045-208f5e66b589" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019c489e-2b11-7b83-b045-208f5e66b589" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c489e-2b11-775f-9953-f89d73aa5312" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4898-7a3d-7d1b-94b8-caa536cc762c" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c489e-2b11-775f-9953-f89d73aa5312" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c489f-70f0-70bc-8fa8-96acf250c40f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c489f-70f0-70bc-8fa8-96acf250c40f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_019c48a0-2fe6-7fa9-a71e-881c6f95d84c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_019c48a0-2fe6-7fa9-a71e-881c6f95d84c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019c489f-70f0-7ea8-952f-93e101fbd274" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019c489f-70f0-7ea8-952f-93e101fbd274" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c489f-70f0-7ed3-a0f5-d2b91b0bc52d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c489f-70f0-7ed3-a0f5-d2b91b0bc52d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_019c489f-70f0-7f8d-94bc-fbe8c3f86e88" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_019c489f-70f0-7f8d-94bc-fbe8c3f86e88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019c489f-70f0-72b1-9296-1ad63ce147e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019c489f-70f0-72b1-9296-1ad63ce147e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019c489f-70f0-7a22-9d3e-d51f6bd5824f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019c489f-70f0-7a22-9d3e-d51f6bd5824f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019c489f-70f0-7a5a-88b9-1998de28861c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019c489f-70f0-7a5a-88b9-1998de28861c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019c489f-70f0-7ec9-8e80-790e8a0f5a8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019c489f-70f0-7ec9-8e80-790e8a0f5a8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_EffectiveIncomeTaxRateReconciliationTaxCreditsAndExemptions_019c489f-e691-7aeb-b00c-2ffd5fe2630c" xlink:href="spxc-20251231.xsd#spxc_EffectiveIncomeTaxRateReconciliationTaxCreditsAndExemptions"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_spxc_EffectiveIncomeTaxRateReconciliationTaxCreditsAndExemptions_019c489f-e691-7aeb-b00c-2ffd5fe2630c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c48a0-7ab6-7c60-844b-3ff3f6e1c51f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c48a0-7ab6-7c60-844b-3ff3f6e1c51f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c489f-70f0-7b1a-a327-9ea6d34b905e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c489f-70f0-7b1a-a327-9ea6d34b905e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_019c48a0-ec95-7192-8bd3-f5c04ebb5698" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c489f-70f0-7cef-b200-2f5b57e23174" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_019c48a0-ec95-7192-8bd3-f5c04ebb5698" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/IncomeTaxesIncomeTaxPaidDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#IncomeTaxesIncomeTaxPaidDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/IncomeTaxesIncomeTaxPaidDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019c1419-f958-76b4-8f9e-cfd5dbe12fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c1419-f958-71aa-b7e1-61be44e3e749" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidForeignAfterRefundReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c1419-f958-76b4-8f9e-cfd5dbe12fdc" xlink:to="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c1419-f958-71aa-b7e1-61be44e3e749" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019c1419-f958-773b-9bb9-50ae346c7295" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidFederalAfterRefundReceived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c1419-f958-76b4-8f9e-cfd5dbe12fdc" xlink:to="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019c1419-f958-773b-9bb9-50ae346c7295" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019c1419-f958-7ef6-ba02-45c15873caa9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c1419-f958-76b4-8f9e-cfd5dbe12fdc" xlink:to="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019c1419-f958-7ef6-ba02-45c15873caa9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_a063ca85-39ce-40dc-b9e6-87f8200b4063" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_6602e6a9-23e7-4b39-9f46-a5f0e1f6508a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_a063ca85-39ce-40dc-b9e6-87f8200b4063" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_6602e6a9-23e7-4b39-9f46-a5f0e1f6508a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_4fc95568-d722-473c-9e28-f0a31517ae1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_a063ca85-39ce-40dc-b9e6-87f8200b4063" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_4fc95568-d722-473c-9e28-f0a31517ae1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_94d5f492-f208-4083-8eaf-b8763cb86b01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_e7b28e60-c22a-4e02-b34e-4a5c091e0c79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_94d5f492-f208-4083-8eaf-b8763cb86b01" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_e7b28e60-c22a-4e02-b34e-4a5c091e0c79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_5680cb14-fe41-4bc7-890a-bf7cea820175" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_94d5f492-f208-4083-8eaf-b8763cb86b01" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_5680cb14-fe41-4bc7-890a-bf7cea820175" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalEnvironmentalAndSelfInsurance_89dd420a-019a-4547-9124-7ab799c9fcf3" xlink:href="spxc-20251231.xsd#spxc_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalEnvironmentalAndSelfInsurance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_spxc_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalEnvironmentalAndSelfInsurance_89dd420a-019a-4547-9124-7ab799c9fcf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards_155902c8-d098-40c9-89e4-329da6e69265" xlink:href="spxc-20251231.xsd#spxc_DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_spxc_DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards_155902c8-d098-40c9-89e4-329da6e69265" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_59147fc9-bc74-4fe3-aa17-ed6aee0fb372" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_59147fc9-bc74-4fe3-aa17-ed6aee0fb372" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spxc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionOtherPostretirementAndPostemploymentBenefits_2bda160b-1cee-4a74-bb7a-4fde5b571c37" xlink:href="spxc-20251231.xsd#spxc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionOtherPostretirementAndPostemploymentBenefits"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_spxc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionOtherPostretirementAndPostemploymentBenefits_2bda160b-1cee-4a74-bb7a-4fde5b571c37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_6eab737a-2e84-48fa-b63b-f3b5878032cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_6eab737a-2e84-48fa-b63b-f3b5878032cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves_5de9a2a8-c2c5-4a3e-a8a3-ffd231c1e447" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves_5de9a2a8-c2c5-4a3e-a8a3-ffd231c1e447" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_530254e1-d79f-4052-aabd-525a87f50aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c502a4d4-8d86-4563-a123-31f05289051a" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_530254e1-d79f-4052-aabd-525a87f50aa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_e39a2d79-4950-4886-8d30-a9c4f1334362" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_06ea1b2a-4846-4e52-91e3-987d0de866a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e39a2d79-4950-4886-8d30-a9c4f1334362" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_06ea1b2a-4846-4e52-91e3-987d0de866a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates_ea79ea15-dd7a-4fe1-beed-2c776c8219fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e39a2d79-4950-4886-8d30-a9c4f1334362" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates_ea79ea15-dd7a-4fe1-beed-2c776c8219fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_4b4b0406-536b-4f86-99d9-191bbab97094" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e39a2d79-4950-4886-8d30-a9c4f1334362" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_4b4b0406-536b-4f86-99d9-191bbab97094" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_db41e8eb-28cd-4cb4-a4e3-c7090f93322c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e39a2d79-4950-4886-8d30-a9c4f1334362" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_db41e8eb-28cd-4cb4-a4e3-c7090f93322c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ShareholdersEquityandLongTermIncentiveCompensationComponentsUsedforCalculationofBasicandDilutedIncomeLossDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#ShareholdersEquityandLongTermIncentiveCompensationComponentsUsedforCalculationofBasicandDilutedIncomeLossDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ShareholdersEquityandLongTermIncentiveCompensationComponentsUsedforCalculationofBasicandDilutedIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_cd5accf3-73db-46bb-9278-bf63216e1712" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_db30d0b0-d1a8-4964-b4fc-fde4a4f422e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_cd5accf3-73db-46bb-9278-bf63216e1712" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_db30d0b0-d1a8-4964-b4fc-fde4a4f422e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_bffeda6f-4689-4446-bc93-21303df18a19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_cd5accf3-73db-46bb-9278-bf63216e1712" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_bffeda6f-4689-4446-bc93-21303df18a19" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spx.com/role/ShareholdersEquityandLongTermIncentiveCompensationAOCIDetails" xlink:type="simple" xlink:href="spxc-20251231.xsd#ShareholdersEquityandLongTermIncentiveCompensationAOCIDetails"/>
  <link:calculationLink xlink:role="http://www.spx.com/role/ShareholdersEquityandLongTermIncentiveCompensationAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019c713c-34fe-74ab-92e1-5e4640bef357" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019c713c-34fe-74ee-b5a0-2bf7aa70b7f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019c713c-34fe-74ab-92e1-5e4640bef357" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019c713c-34fe-74ee-b5a0-2bf7aa70b7f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019c713c-34fe-736f-a39e-7ee67fe37e97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019c713c-34fe-74ab-92e1-5e4640bef357" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019c713c-34fe-736f-a39e-7ee67fe37e97" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
