Sec Form 4 Filing - WOLTERS HENRICUS M. B. @ PACCAR INC - 2020-03-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person WOLTERS HENRICUS M. B. 2. Issuer Name and Ticker or Trading Symbol PACCAR INC [ PCAR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VICE PRESIDENT (Last) (First) (Middle) 777 106TH AVE NE 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2020 (Street) BELLEVUE, WA98004 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price COMMON STOCK 03/01/2020 M( 1 ) 686 A 686 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares STOCK OPTION ( 2 ) $ 67.63 01/01/2020 02/07/2027 COMMON STOCK 3,328 3,328 ( 3 ) D STOCK OPTION ( 2 ) $ 68.69 01/01/2021 02/07/2028 COMMON STOCK 3,472 3,472 ( 3 ) D STOCK OPTION ( 2 ) $ 65.56 01/01/2022 02/06/2029 COMMON STOCK 9,912 9,912 ( 3 ) D STOCK OPTION ( 2 ) $ 76.18 01/01/2023 02/04/2030 COMMON STOCK 7,232 7,232 D STOCK UNITS (LTIP) ( 4 ) ( 4 ) 03/01/2020 M( 1 ) 686 ( 4 ) ( 4 ) COMMON STOCK 686 $ 0 ( 1 ) 2,058 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other WOLTERS HENRICUS M. B. 777 106TH AVE NE BELLEVUE, WA98004 VICE PRESIDENT Signatures Henricus M. B. Wolters by Irene E. Song POA 03/03/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Restricted stock units converted to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. ( 2 )Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP). ( 3 )These holdings were inadvertantly omitted from the Form 4 filed on February 6, 2020. ( 4 )Restricted stock units held in deferred phantom stock account under LTIP convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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