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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RvNdf75PvjXagwYszElPOHuhNSu/D3wh6eWXQ7h2OLXd3apVc3uCpZwcgLxLXRT7
 cA778gtcQ89n8FXjy+1nQg==

<SEC-DOCUMENT>0000061986-03-000046.txt : 20030602
<SEC-HEADER>0000061986-03-000046.hdr.sgml : 20030602
<ACCEPTANCE-DATETIME>20030530173909
ACCESSION NUMBER:		0000061986-03-000046
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030530
FILED AS OF DATE:		20030602

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:			DUVAL DANIEL W
		CENTRAL INDEX KEY:			0001106875
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL FORGING & STAMPINGS [3460]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11978
		FILM NUMBER:		03726793

	BUSINESS ADDRESS:	
		STREET 1:		2001 BUTTERFIELD ROAD
		STREET 2:		SUITE 502
		CITY:			DOWNES GROVE
		STATE:			IL
		ZIP:			60515
		BUSINESS PHONE:		3123224614

	MAIL ADDRESS:	
		STREET 1:		200 S MICHIGAN AVE
		STREET 2:		SUITE 1300
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001106875d20030530f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-05-30</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000061986</issuerCik><issuerName>MANITOWOC CO INC</issuerName>        <issuerTradingSymbol>MTW</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001106875</rptOwnerCik><rptOwnerName>DUVAL DANIEL W</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>Common Stock    Unit</value></securityTitle><conversionOrExercise
Price><value>0</value></conversionOrExercisePrice><transactionDate><value>2003-05-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionAmounts><transactionShares><value>268.184</value></transactionShares><transactionValue><value>20.03</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F2"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>268.184</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>268.184</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ow
nershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">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="F2">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 D. Jones</signatureName><signatureDate>2003-05-30</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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