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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000315189-05-000050.txt : 20050711
<SEC-HEADER>0000315189-05-000050.hdr.sgml : 20050711
<ACCEPTANCE-DATETIME>20050711122551
ACCESSION NUMBER:		0000315189-05-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050707
FILED AS OF DATE:		20050711
DATE AS OF CHANGE:		20050711

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEERE & CO
		CENTRAL INDEX KEY:			0000315189
		STANDARD INDUSTRIAL CLASSIFICATION:	FARM MACHINERY & EQUIPMENT [3523]
		IRS NUMBER:				362382580
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		ONE JOHN DEERE PLACE
		CITY:			MOLINE
		STATE:			IL
		ZIP:			61265-8098
		BUSINESS PHONE:		(309) 765-5688

	MAIL ADDRESS:	
		STREET 1:		ONE JOHN DEERE PLACE
		CITY:			MOLINE
		STATE:			IL
		ZIP:			61265-8098

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PATRICK THOMAS H
		CENTRAL INDEX KEY:			0001017633

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04121
		FILM NUMBER:		05947388

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		1376369800

	MAIL ADDRESS:	
		STREET 1:		C/O BALDWIN & LYONS INC
		STREET 2:		1099 NORTH MERIDIAN STREET
		CITY:			INDIANAPOLIS
		STATE:			IN
		ZIP:			46204
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-07-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000315189</issuerCik>
        <issuerName>DEERE &amp; CO</issuerName>
        <issuerTradingSymbol>DE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001017633</rptOwnerCik>
            <rptOwnerName>PATRICK THOMAS H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DEERE &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>ONE JOHN DEERE PLACE</rptOwnerStreet2>
            <rptOwnerCity>MOLINE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>61265</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>$1 Par Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2005-07-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>97</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>66.955</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17904</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reference to Deere &amp; Company common stock includes associated preferred stock rights.</footnote>
        <footnote id="F2">Includes 7,904 shares of restricted stock acquired under the Nonemployee Director Stock Ownership Plan of the issuer.  Restrictions are as authorized by the Board of Directors.  The plan provides for tax withholding rights.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James H. Becht, Secretary, Deere &amp; Company, as Power of Attorney</signatureName>
        <signatureDate>2005-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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