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UNITED STATES 

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549


SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.  )*

SPX Corporation
- -------------------------------------------------------------------
(Name of Issuer)


Common Stock
- -------------------------------------------------------------------
(Title of Class of Securities)


78463510
- --------------
(CUSIP NUMBER)

Check the following box if a fee is being paid with this statement.[ ]  (A
fee is not required only if the filing person: (1) has a previous statement 
on file reporting beneficial ownership of more than five percent of the 
class of securities described in Item 1; and (2) has filed no amendment 
subsequent thereto reporting beneficial ownership of five percent or less 
of such class.)  (See Rule 13d-7).

*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of 
securities, and for any subsequent amendment containing information which 
would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be 
deemed to be "filed" for the purpose of Section 18 of the Securities 
Exchange Act of 1934 (the "1934 Act") or otherwise subject to the liabilities 
of that section of the Act but shall be subject to all other provisions of the 
Act (however, see the Notes).








Page 2 of 9 Pages


CUSIP NO.  78463510               13G

1. NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Princeton Services, Inc.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* Joint Filing

(a) [ ]
(b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION
     
Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

NONE

6. SHARED VOTING POWER

1,249,004

7. SOLE DISPOSITIVE POWER

NONE

8. SHARED DISPOSITIVE POWER

1,249,004

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,249,004 (ownership disclaimed pursuant to Section 13d-4 of the 1934 Act)

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

9.9%

12. TYPE OF REPORTING PERSON*

HC, CO

    *SEE INSTRUCTION BEFORE FILING OUT!




Page 3 of 9 Pages


CUSIP NO.  78463510                13G

1. NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Merrril Lynch Asset Management, L.P.

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* Joint Filing 

(a) [ ]
(b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

NONE

6. SHARED VOTING POWER

1,249,004

7. SOLE DISPOSITIVE POWER

NONE

8. SHARED DISPOSITIVE POWER

1,249,004

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,249,004

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

9.9%

12. TYPE OF REPORTING PERSON*

IA, PN

    *SEE INSTRUCTION BEFORE FILING OUT!



Page 4 of 9 Pages


CUSIP NO.  78463510                13G

1. NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Merrill Lynch Capital Fund

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* Joint Filing 

(a) [ ]
(b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION
     
Maryland

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

NONE

6. SHARED VOTING POWER

750,000

7. SOLE DISPOSITIVE POWER

NONE

8. SHARED DISPOSITIVE POWER

750,000

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

750,000

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

6.0%

12. TYPE OF REPORTING PERSON*

IV

    *SEE INSTRUCTION BEFORE FILING OUT!



Page 5 of 9 Pages

		    SCHEDULE 13G


ITEM 1 (a)  Name of Issuer:
	    --------------

	    SPX Corporation (the "Company")

 
ITEM 1 (b)  Address of Issuer's Principal Executive Offices:
	    -----------------------------------------------

	    700 Terrace Point Drive
	    Muskegon, Michigan 49443


ITEM 2 (a)  Name of Persons Filing:
	    ---------------------

	    Princeton Services, Inc.
	    Merril Lynch Asset Management, L.P.
	    Merrill Lynch Capital Fund, Inc.

ITEM 2 (b)  Address of Principal Business Office or, if none, Residence:
	    -----------------------------------------------------------
		

Princeton Services, Inc.
800 Scudders Mill Road
Plainsboro, New Jersey  08536

Merril Lunch Asset Management, L.P.
800 Scudders Mill Road
Plainsboro, New Jersey  08536

Merrill Lynch Capital Fund
800 Scudders Mill Road
Plainsboro, New Jersey  08536


ITEM 2 (c)  Citizenship:
	    -----------
See Item 4 of Cover Pages

ITEM 2 (d)  Title of Class of Securities:
	    ----------------------------

Common Stock

ITEM 2 (e)  CUSIP NUMBER:
		
See Cover Page


Page 6 of 9 Pages


ITEM 3          
   
    Princeton Services, Inc. ("PSI") is a parent holding company in, 
accordance with (S) 240.13d-1(b)(ii)(G) of the 1934 Act.  Merril Lynch 
Asset Management, L.P. (d/b/a) Merril Lynch Asset Management ("MLAM") is
an investment adviser registered under (S) 203 of the Investment Advisers 
Act of 1940 (the "Advisers Act").  Merrill Lynch Capital Fund, Inc. (the 
"Fund") is an investment company registered under Section 8 of the Investment
Company Act of 1940 (the "Investment Company Act").



ITEM 4  Ownership
	--------- 
(a)  Amount Beneficially Owned:
	     
   See Item 9 of Cover Pages.

(b)  Percent of Class:

     See Item 11 of Cover Pages

(c)  Number of shares as to which such person has:

     (i)  sole power to vote or to direct the vote:
		 
	  See Item 5 of Cover Pages
		 
    (ii)  shared power to vote or to direct the vote:

	  See Item 6 of the Cover Pages

   (iii)  sole power to dispose of or to direct the disposition of:
			    
	  See Item 7 of Cover Pages

    (iv)  shared power to dispose of or direct the disposition of:

	  See Item 8 of Cover Pages
			


ITEM 5  Ownership of Five Percent or Less of a Class.
	--------------------------------------------

Not Applicable










Page 7 of 9 Pages


ITEM 6  Ownership of More than Five Percent on Behalf of Another Person.
	---------------------------------------------------------------

  MLAM is an investment adviser registered under Section 203 of the Advisers
Act and acts as an investment adviser to investment companies registered under
Section 8 of the Investment Company Act and private accounts.  With respect
to securities held by those investment companies and private accounts, several
persons have the right to receive, or the power to direct the receipt of 
dividends from or the proceeds from the sale of such securities. The Fund,
a reporting person on this Schedule 13G for which MLAM serves as investment
adviser, has an interest that relates to more than 5% of the class of
the class of securities reported herein.  No other person has an interest that
relates to more than 5% of the class of securities reported herein.


ITEM 7   Identification and Classification of the Subsidiary Which 
	 ---------------------------------------------------------
  Acquired the Security Being Reported on by the Parent Holding Company.
  ---------------------------------------------------------------------

   PSI is a corporate managing general partner of Fund Asset Management, L.P.
and Merrill Lynch Asset Management, L.P., each of which is a registered
investment adviser under Section 203 of the Advisers Act.


ITEM 8   Identification and Classification of Members of the Group.
	 ----------------------------------------------------------

Not Applicable



ITEM 9  Notice of Dissolution of Group.
	------------------------------

Not Applicable


ITEM 10  Certification
	 -------------

    By signing below each of the undersigned certifies that, to the best of
their knowledge and belief, the securities referred to above were acquired 
and are held in the ordinary course of business and were not acquired and 
are not held for the purpose of and do not have the effect of changing or 
influencing the control of the issuer of such securities and were not acquired
and are not held in connection with or as a participant in any transaction 
having such purpose or effect.





Page 8 of 9 Pages


Signature.
- ---------

    After reasonable inquiry and to the best of my knowledge and belief, each 
of the undersigned certifies that the information set forth in this statement
is true, complete and correct.


Date:  January 28, 1998



Princeton Services, Inc.  

/s/ Ira P. Shapiro
- -----------------------------
Name:  Ira P. Shapiro
Title:  Attorney-In-Fact*


Merril Lynch Asset Management, L.P.
By: Princeton Services, Inc. (General Partner)

/s/ Ira P. Shapiro
- -------------------------
Name:   Ira P. Shapiro
Title Attorney-In-Fact**


Merrill Lynch Capital Fund, Inc.

/s/ Ira P. Shapiro
- --------------------------
Name: Ira P. Shapiro
Title:  Attorney-In-Fact***

- ------------------------------------
*Signed pursuant to a power of attorney, dated January 26, 1998, included
as an Exhibit to this Schedule 13G filed with the Securities and Exchange
Commission by Princeton Services, Inc. on February 14, 1998 with respect to
LTX Corporation.


*Signed pursuant to a power of attorney, dated January 26, 1998, included
as an Exhibit to this Schedule 13G filed with the Securities and Exchange
Commission by Princeton Services, Inc. on February 14, 1998 with respect to
Lattice Corporation.


***Signed pursuant to a power of attorney, dated Januar 26, 1998, included
as an Exhibit to this Schedule 13G. 



Page 9 of 9  Pages


				      EXHIBIT A

				   POWER OF ATTORNEY


  The undersigned, Merrill Lynch Capital Fund, Inc. a corporation duly
organized under the laws of the state of Delaware, with its principal place
of business at 800 Scudders Mill Road, Plainsboro, New Jersey 08536 does
hereby make, constitute and appoint Ira P. Shapiro and Thomas D. Jones, III, 
acting severally, whose address is 800 Scudders Mill Road, Plainsboro, 
New Jersey 08536, as its true and lawful attorneys-in-fact,
for it and in its name, place and stead to execute and cause to be filed 
and/or delivered, as required under Section 13(d) of the Securities Exchange
Act of 1934 (the "Act") and the regulations thereunder, any number, as 
appropriate, of original, copies, or electronic filings of the Securities 
and Exchange Commission Schedule 13D or Schedule 13G Beneficial Ownership
Reports (together with any amendments and joint filing aggreements under 
Rule 13d-1(f) (1) of the Act, as may be required thereto) to be filed 
and/or delivered with respect ot any equity security (as defined in Rule
13d-1(d) under the Act) beneficially owned by the undersigned and which
must be reported by the undersigned pursuant to Section 13(d) of the Act
and the regulations threunder, and generally to take such other actions
and perform such other things necessary to effectuate the foregoing as
fully in all respect as if the undersigned could do if personally present.
The Power of Attorney shall remain in effect until revoked, in writing, by
the undersigned.

  IN WITNESS WHEREOF, the undersigned has executed this Power of 
Attorney this 26th day of January, 1998.


MERRILL LYNCH CAPITAL FUND, INC.


By: /s/Arthur Zeikel
- --------------------------
Name: Arthur Zeikel
Title: President & Director