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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000315189-05-000061.txt : 20051003
<SEC-HEADER>0000315189-05-000061.hdr.sgml : 20051003
<ACCEPTANCE-DATETIME>20051003115235
ACCESSION NUMBER:		0000315189-05-000061
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050930
FILED AS OF DATE:		20051003
DATE AS OF CHANGE:		20051003

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:			COFFMAN VANCE D
		CENTRAL INDEX KEY:			0001193998

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04121
		FILM NUMBER:		051116304

	BUSINESS ADDRESS:	
		STREET 1:		6801 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
</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>2005-09-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001193998</rptOwnerCik>
            <rptOwnerName>COFFMAN VANCE D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>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>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>326.797</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>61.2</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>326.797</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1227.196</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The security converts to common stock on a one-for-one basis.</footnote>
        <footnote id="F2">The phantom stock units were accrued under the Issuer's Nonemployee Director Deferred Compensation Plan and are to be settled solely in cash beginning in the calendar year following the reporting person's retirement from the Issuer's Board.</footnote>
        <footnote id="F3">The reported holdings of phantom stock units include units acquired in dividend reinvestment transactions that are exempt from line-item reporting. As of the transaction date, the reporting person directly beneficially owned 1,544 $1 par common shares of the Issuer.  1,544 of such shares are restricted shares acquired under the Issuer's Nonemployee Director Stock Ownership Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James H. Becht, Secretary, Deere &amp; Company, As Power of Attorney</signatureName>
        <signatureDate>2005-10-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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