SPX (SPXC) 10-Q 2007 Q3 Quarterly report

EXHIBIT 32.1

The following statement is being made to the Securities and Exchange Commission solely for purposes of Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350), which carries with it certain criminal penalties in the event of a knowing or willful misrepresentation.

Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Re: SPX Corporation

Ladies and Gentlemen:

In accordance with the requirements of Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350), each of the undersigned hereby certifies that:

(i)            this Quarterly Report on Form 10-Q, for the period ended September 30, 2007, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(ii)           the information contained in this report fairly presents, in all material respects, the financial condition and results of operations of SPX Corporation.

Dated as of this 8^th day of November 2007.

/s/ Christopher J. Kearney	/s/ Patrick J. O’Leary
Christopher J. Kearney	Patrick J. O’Leary
President and Chief Executive Officer	Executive Vice President, Treasurer, and Chief Financial Officer