-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 HzsPiqpMRtZIrRAPAVCqS87K4ghJqpEyjK9FanH1/zqmubrTIzAtvyvqTMgRSO3S
 QGe9k0SGYAJRPVcLGRlKvA==

<SEC-DOCUMENT>0000904638-05-000003.txt : 20050720
<SEC-HEADER>0000904638-05-000003.hdr.sgml : 20050720
<ACCEPTANCE-DATETIME>20050720095819
ACCESSION NUMBER:		0000904638-05-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050719
FILED AS OF DATE:		20050720
DATE AS OF CHANGE:		20050720

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARTS WAY MANUFACTURING CO INC
		CENTRAL INDEX KEY:			0000007623
		STANDARD INDUSTRIAL CLASSIFICATION:	FARM MACHINERY & EQUIPMENT [3523]
		IRS NUMBER:				420920725
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 288
		CITY:			ARMSTRONG
		STATE:			IA
		ZIP:			50514
		BUSINESS PHONE:		7128643131

	MAIL ADDRESS:	
		STREET 1:		P O BOX 288
		CITY:			ARMSTRONG
		STATE:			IA
		ZIP:			50514

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOLEY JAMES L
		CENTRAL INDEX KEY:			0000904638

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-05131
		FILM NUMBER:		05962956

	BUSINESS ADDRESS:	
		STREET 1:		280N PARK AVE 34W
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2129221640

	MAIL ADDRESS:	
		STREET 1:		1125 SOUTH 103RD STREET
		STREET 2:		SUITE 800
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68124
</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>2005-07-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000007623</issuerCik>
        <issuerName>ARTS WAY MANUFACTURING CO INC</issuerName>
        <issuerTradingSymbol>artw</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000904638</rptOwnerCik>
            <rptOwnerName>KOLEY JAMES L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1125 SOUTH 103RD STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>OMAHA</rptOwnerCity>
            <rptOwnerState>NE</rptOwnerState>
            <rptOwnerZipCode>68124</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-07-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.19</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>stock option to buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.32</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2001-07-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-07-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% exercisable on date of grant and 25% exercisable on each anniversary date threrafter</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James L. Koley</signatureName>
        <signatureDate>2005-07-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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