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      <secFileNumber>001-14817</secFileNumber>
      <issuerAddress>
        <com:street1>PACCAR BUILDING</com:street1>
        <com:street2>777 106TH AVENUE NE</com:street2>
        <com:city>BELLEVUE</com:city>
        <com:stateOrCountry>WA</com:stateOrCountry>
        <com:zipCode>98004</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>425 468 7525</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SCHIPPERS HARRIE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>32797</noOfUnitsSold>
      <aggregateMarketValue>3479024.00</aggregateMarketValue>
      <noOfUnitsOutstanding>523075842</noOfUnitsOutstanding>
      <approxSaleDate>02/12/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/12/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Employee Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Paccar Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>32797</amountOfSecuritiesAcquired>
      <paymentDate>02/12/2024</paymentDate>
      <natureOfPayment>Broker Payment for Cashless Exercise</natureOfPayment>
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        <address>
          <com:street1>PACCAR BUILDING</com:street1>
          <com:street2>777 106TH AVENUE NE</com:street2>
          <com:city>BELLEVUE</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98004</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>PACCAR INC</securitiesClassTitle>
      <saleDate>01/26/2024</saleDate>
      <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
      <grossProceeds>511326.00</grossProceeds>
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      <sellerDetails>
        <name>HARRIE SCHIPPERS</name>
        <address>
          <com:street1>PACCAR BUILDING, 777 106TH AVENUE NE</com:street1>
          <com:city>BELLEVUE</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98004</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>PACCAR INC</securitiesClassTitle>
      <saleDate>02/05/2024</saleDate>
      <amountOfSecuritiesSold>32000</amountOfSecuritiesSold>
      <grossProceeds>3329247.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>02/12/2024</noticeDate>
      <signature>HARRIE SCHIPPERS</signature>
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144
0001486223
XXXXXXXX
LIVE
0000075362
PACCAR INC
001-14817
PACCAR BUILDING
777 106TH AVENUE NE
BELLEVUE
WA
98004
425 468 7525
SCHIPPERS HARRIE
Officer
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
32797
3479024.00
523075842
02/12/2024
NASDAQ
Common
02/12/2024
Employee Stock Option Exercise
Paccar Inc.
N
32797
02/12/2024
Broker Payment for Cashless Exercise
N
HARRIE SCHIPPERS
PACCAR BUILDING
777 106TH AVENUE NE
BELLEVUE
WA
98004
PACCAR INC
01/26/2024
5000
511326.00
HARRIE SCHIPPERS
PACCAR BUILDING, 777 106TH AVENUE NE
BELLEVUE
WA
98004
PACCAR INC
02/05/2024
32000
3329247.00
02/12/2024
HARRIE SCHIPPERS