<SUBMISSION>
<ACCESSION-NUMBER>0000315189-06-000009
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060116
<FILING-DATE>20060118
<DATE-OF-FILING-DATE-CHANGE>20060118
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Mack Michael J
<CIK>0001349264
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>001-04121
<FILM-NUMBER>06535895
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>(309) 765-4162
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>5859 EAGLE RIDGE ROAD
<CITY>BETTENDORF
<STATE>IA
<ZIP>52722
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>DEERE & CO
<CIK>0000315189
<ASSIGNED-SIC>3523
<IRS-NUMBER>362382580
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1031
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>ONE JOHN DEERE PLACE
<CITY>MOLINE
<STATE>IL
<ZIP>61265-8098
<PHONE>(309) 765-5688
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>ONE JOHN DEERE PLACE
<CITY>MOLINE
<STATE>IL
<ZIP>61265-8098
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-01-16</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001349264</rptOwnerCik>
            <rptOwnerName>Mack Michael J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5859 EAGLE RIDGE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BETTENDORF</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52722</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>$1 Par Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20473</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
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            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1998-12-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2007-12-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>3719</value>
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            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
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                <footnoteId id="F4"/>
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            </conversionOrExercisePrice>
            <exerciseDate>
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            </exerciseDate>
            <expirationDate>
                <value>2009-12-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13464</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
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                <footnoteId id="F4"/>
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            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2001-12-13</value>
            </exerciseDate>
            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <footnoteId id="F4"/>
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                <value>2002-12-12</value>
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            <expirationDate>
                <value>2011-12-12</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <value>Market Priced Employee Stock Options</value>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
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                <value>61.64</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-12-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-12-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>19381</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
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                <value>Market Priced Employee Stock Options</value>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
            </securityTitle>
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                <value>69.37</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-12-08</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>17868</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Market Priced Employee Stock Options</value>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>68.88</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2006-12-07</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-12-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11579</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">References to Deere &amp; Company common stock include associated preferred stock rights.</footnote>
        <footnote id="F2">Includes 20,473 restricted stock units granted under the John Deere Omnibus Equity and Incentive Plan and to be settled solely in shares.</footnote>
        <footnote id="F3">All options include the ability to withhold shares upon the exercise of the option to satisfy minimum required income tax obligations.</footnote>
        <footnote id="F4">The options become exercisable in three approximately equal installments in one, two and three years after grant. The date listed in column 2 is the initial exercisable installment date.</footnote>
    </footnotes>

    <remarks>Exhibit List

Exhibit 24

Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Michael A. Harring, as Power of Attorney, Associate General Counsel, Deere &amp; Company</signatureName>
        <signatureDate>2006-01-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
