-----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,
 KhLOWqrtP52yW0n10MpWduqrvhcD5i93b+Im49xyGoV1hPlXqX0shmbIPu1sDSC6
 6TRoeIiOn50kgXmT7h5xsQ==

<SEC-DOCUMENT>0000748954-10-000007.txt : 20101119
<SEC-HEADER>0000748954-10-000007.hdr.sgml : 20101119
<ACCEPTANCE-DATETIME>20101119105319
ACCESSION NUMBER:		0000748954-10-000007
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20101119
DATE AS OF CHANGE:		20101119
EFFECTIVENESS DATE:		20101119

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATLAS COPCO AB
		CENTRAL INDEX KEY:			0000748954
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 8880 [8880]
		IRS NUMBER:				221669012
		STATE OF INCORPORATION:			V7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-150757
		FILM NUMBER:		101204476

	BUSINESS ADDRESS:	
		STREET 1:		CITIBANK N A 111 WALL ST
		STREET 2:		C/O ANTHONY GALLAGHER
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10043
		BUSINESS PHONE:		2126577691

	MAIL ADDRESS:	
		STREET 1:		34 MAPLE AVE
		STREET 2:		PO BOX 2028
		CITY:			PINE BROOK
		STATE:			NJ
		ZIP:			07058
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000748954</cik>
        <entityName>ATLAS COPCO AB</entityName>
        <issuerAddress>
            <street1>34 Maple Avenue</street1>
            <city>Pine Brook</city>
            <stateOrCountry>NJ</stateOrCountry>
            <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
            <zipCode>07058</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>973-439-3410</issuerPhoneNumber>
        <jurisdictionOfInc>SWEDEN</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>RONNIE</firstName>
                <lastName>LETEN</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>SUNE</firstName>
                <lastName>CARLSSON</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JACOB</firstName>
                <lastName>WALLENBERG</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>STAFFAN</firstName>
                <lastName>BOMAN</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>CHRISTEL</firstName>
                <lastName>BORIES</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JOHAN</firstName>
                <lastName>FORSSELL</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ULLA</firstName>
                <lastName>LITZEN</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>GUNILLA</firstName>
                <lastName>NORDSTROM</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ANDERS</firstName>
                <lastName>ULLBERG</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MARGARETH</firstName>
                <lastName>OVRUM</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>BENGT</firstName>
                <lastName>LINDGREN</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MIKAEL</firstName>
                <lastName>BERGSTEDT</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>EVA</firstName>
                <lastName>KANESTAD</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ULF</firstName>
                <lastName>STROM</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ATLAS COPCO AB</street1>
                <street2>SE-105-23</street2>
                <city>STOCKHOLM</city>
                <stateOrCountry>V7</stateOrCountry>
                <stateOrCountryDescription>SWEDEN</stateOrCountryDescription>
                <zipCode>SE-105-23</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Manufacturing</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0000748954-10-000004</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>21</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>The minimum investment is one share of the issuer's stock, which was trading at $21.66 per share at the close of the day prior to filing.  The maximum investment is 333,097 SEK, which as of the day of filing, was equivalent to $48,491.78.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>0</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>ATLAS COPCO AB</issuerName>
                <signatureName>Hans Sandberg</signatureName>
                <nameOfSigner>Hans Sandberg</nameOfSigner>
                <signatureTitle>Senior Vice President General Counsel</signatureTitle>
                <signatureDate>2010-11-17</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----