-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 L1MNCCfBUnMytGHoeGp+cSMouapCFQWarKlcEoxOsLtovcdevkjZf/3M3dzJy8v9
 SHrVGIwciWAbVzKu2rSKwg==

<SEC-DOCUMENT>0000061986-03-000220.txt : 20031230
<SEC-HEADER>0000061986-03-000220.hdr.sgml : 20031230
<ACCEPTANCE-DATETIME>20031230155214
ACCESSION NUMBER:		0000061986-03-000220
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031210
FILED AS OF DATE:		20031230

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANITOWOC CO INC
		CENTRAL INDEX KEY:			0000061986
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION MACHINERY & EQUIP [3531]
		IRS NUMBER:				390448110
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 66
		CITY:			MANITOWOC
		STATE:			WI
		ZIP:			54221-0066
		BUSINESS PHONE:		9206844410

	MAIL ADDRESS:	
		STREET 1:		P O BOX 66
		CITY:			MANITOWOC
		STATE:			WI
		ZIP:			54221-0066

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NOSBUSCH KEITH D
		CENTRAL INDEX KEY:			0001204912

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11978
		FILM NUMBER:		031077865

	BUSINESS ADDRESS:	
		STREET 1:		C/O ROCKWELL AUTOMATION INC
		STREET 2:		777 E. WISCONSIN AVE #1400
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4142125299

	MAIL ADDRESS:	
		STREET 1:		C/O ROCKWELL INTERNATIONAL INC
		STREET 2:		777 E. WISCONSIN AVE #1400
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001204912d20031230f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-10</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000061986</issuerCik><issuerName>MANITOWOC CO INC</issuerName>        <issuerTradingSymbol>MTW</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001204912</rptOwnerCik><rptOwnerName>NOSBUSCH KEITH D</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>2400 SOUTH 44TH STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>MANITOWOC</rptOwnerCity><rptOwnerState>WI</rptOwnerState><rptOwnerZipCode>54221-0066</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable
></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Common Stock    Unit</value></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F1"/></conversionOrExercisePrice><transactionDate><value>2003-12-10</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F2"/></transactionCoding><transactionAmounts><transactionShares><value>4.1189</value><footnoteId id="F3"/></transactionShares><transactionPricePerShare><value>28.4369</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F4"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F4"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlying
SecurityTitle><underlyingSecurityShares><value>4.1189</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>600.1872</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Common Stock    Unit</value></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F1"/></conversionOrExercisePrice><transactionDate><value>2003-12-26</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F2"/></transactionCoding><transactionAmounts><transactionShares><value>16.2322</value></transactionShares><transactionPricePerShare><value>30.74</valu
e></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F4"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F4"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>16.2322</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>616.4194</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">These common stock units are convertible into common stock on a 1 for 1 basis.</footnote><footnote id="F2">Common Stock Units acquired in transactions exempt under Rule 16b
- -3(d) under the Company's Deferred Compensation Plan.  This Plan provides for tax withholding rights.</footnote><footnote id="F3">The acquisition of these shares was not reported on a timely basis due to the fact that the Plan Administrator failed to notify the reporting person or the Company of the acquisition until December 29, 2003.</footnote><footnote id="F4">The Plan provides that the distribution date is the first day of the month following the participant's death, disability, termination of service/employment, a  date specified by the participant or the earliest to occur of any combination of such options, at the election of the participant.  Distributions are payable   in a lump sum, or in no more than 180 monthly, 60 quarterly or 15 annual installments, at the election of the participant.</footnote></footnotes><ownerSignature><signatureName>Maurice Jones, by Power of Attorney</signatureName><signatureDate>2003-12-30</signatureDate></ownerSignature></ownershipDocument>

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