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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 qYWQNMuU9gEdhM6Z0teX4Q==

<SEC-DOCUMENT>0001179110-05-005782.txt : 20050316
<SEC-HEADER>0001179110-05-005782.hdr.sgml : 20050316
<ACCEPTANCE-DATETIME>20050316120751
ACCESSION NUMBER:		0001179110-05-005782
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20050314
FILED AS OF DATE:		20050316
DATE AS OF CHANGE:		20050316

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPX CORP
		CENTRAL INDEX KEY:			0000088205
		STANDARD INDUSTRIAL CLASSIFICATION:	METALWORKING MACHINERY & EQUIPMENT [3540]
		IRS NUMBER:				381016240
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		13515 BALLANTYNE CORPORATE PLACE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277
		BUSINESS PHONE:		704-752-4400

	MAIL ADDRESS:	
		STREET 1:		13515 BALLANTYNE CORPORATE PLACE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEALED POWER CORP
		DATE OF NAME CHANGE:	19880515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MANCUSO MICHAEL J.
		CENTRAL INDEX KEY:			0001222199

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06948
		FILM NUMBER:		05684081

	BUSINESS ADDRESS:	
		STREET 1:		GENERAL DYNAMICS CORP
		STREET 2:		3190 FAIRVIEW PARK DR
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042
		BUSINESS PHONE:		7038763078

	MAIL ADDRESS:	
		STREET 1:		GENERAL DYNAMICS CORPORATION
		STREET 2:		2941 FAIRVIEW PARK DRIVE, SUITE 100
		CITY:			FALLSCHURCH
		STATE:			VA
		ZIP:			22042

	FORMER NAME:	
		FORMER CONFORMED NAME:	MANCUSCO MICHAEL J
		DATE OF NAME CHANGE:	20030307
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-03-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000088205</issuerCik>
        <issuerName>SPX CORP</issuerName>
        <issuerTradingSymbol>SPW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001222199</rptOwnerCik>
            <rptOwnerName>MANCUSO MICHAEL J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SPX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>13515 BALLANTYNE CORPORATE PLACE</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28277</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>No securities beneficially owned</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>C.J. Kearney, Attorney In Fact for Michael J. Mancuso</signatureName>
        <signatureDate>2005-03-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24mancuso.txt
<DESCRIPTION>MANCUSO POA
<TEXT>
LIMITED POWER OF ATTORNEY


	The undersigned hereby appoints each of
Christopher J. Kearney, Spencer Conard and Linda
Kardos, signing singly, as his attorney-in-fact to act
for him and in his name solely to do all or any of the
following:

	1.	To execute and file with the Securities and
Exchange Commission all statements regarding his
beneficial ownership of securities of SPX Corporation
filed pursuant to Section 16(a) of the Securities
Exchange Act of 1934;

	2.	To execute all necessary instruments to
carry out and perform any of the powers stated above,
and to do any other acts requisite to carrying out
such powers.

	None of Christopher J. Kearney, Spencer Conard or
Linda Kardos shall incur any liability to the
undersigned for acting or refraining from acting under
this power, except for such attorney's own willful
misconduct or gross negligence.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the
undersigned, are not assuming, nor is SPX Corporation
assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act
of 1934.

	Any reproduced copy of this signed original shall
be deemed to be an original counterpart of this Power
of Attorney.

	This Power of Attorney is governed by Delaware
law.

	This Power of Attorney shall remain in full force
and effect until the undersigned is no longer required
to file statements pursuant to Section 16(a) of the
Securities Exchange Act of 1934 with respect to the
undersigned's beneficial ownership of securities of
SPX Corporation, unless earlier revoked.  This Power
of Attorney shall terminate with respect to the
attorney-in-fact upon receipt by Christopher J.
Kearney, Spencer Conard or Linda Kardos, as the case
may be, from the undersigned of a written notice of
revocation of this Power of Attorney.  The undersigned
shall have the right to revoke this Power of Attorney
at any time.


	IN WITNESS WHEREOF, the undersigned has executed
this Power of Attorney this 14th day of  March, 2005.

By:  /s/  Michael J. Mancuso
     Michael J. Mancuso









CH01/ 12414528.1






</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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