SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
PIGOTT MARK C
(Last) (First) (Middle)
777 106TH AVENUE NE
(Street)
BELLEVUE WA 98004
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
PACCAR INC [ PCAR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CHAIRMAN & CEO
3. Date of Earliest Transaction (Month/Day/Year)
01/13/2012
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 2,897,289 D
COMMON STOCK 1,308,892 I(1) EASCLIFFE COMPANY
COMMON STOCK 283,280 I WIFE AND CHILDREN
COMMON STOCK (SIP)(2) 01/13/2012 J(3) 291.455 A $41.06 66,774.187 D
COMMON STOCK (SIP)(2) 01/13/2012 J(4) 1,183.029 A $39.51 67,957.216 D
COMMON STOCK (SIP)(2) 01/13/2012 A(5) 270.778 A $45.24 68,227.994 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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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(6) $13.96 01/01/2006 01/15/2013 COMMON STOCK 248,427 248,427 D
STOCK OPTION(6) $25.31 01/01/2007 01/15/2014 COMMON STOCK 135,067 135,067 D
STOCK OPTION(6) $32.11 01/01/2008 01/20/2015 COMMON STOCK 173,043 173,043 D
STOCK OPTION(6) $32.23 01/01/2009 01/26/2016 COMMON STOCK 147,343 147,343 D
STOCK OPTION(6) $44.56 01/01/2010 01/31/2017 COMMON STOCK 112,266 112,266 D
STOCK OPTION(6) $45.74 01/01/2011 01/30/2018 COMMON STOCK 98,956 98,956 D
STOCK OPTION(6) $30.81 01/01/2012 01/31/2019 COMMON STOCK 194,004 194,004 D
STOCK OPTION(6) $36.12 01/01/2013 02/02/2020 COMMON STOCK 134,492 134,492 D
STOCK OPTION(6) $50.5 01/01/2014 02/03/2021 COMMON STOCK 92,832 92,832 D
COMMON STOCK (LTIP)(7) (7) (7) (7) COMMON STOCK 36,296.6356 36,296.6356 D
COMMON STOCK (DICP)(8) (8) (8) (8) COMMON STOCK 90,460.2734 90,460.2734 D
COMMON STOCK (DCP)(9) (9) (9) (9) COMMON STOCK 27,655.5883 27,655.5883 D
Explanation of Responses:
1. Shares held by a corporation in which Reporting Person is a shareholder. Holding is reported voluntarily as Reporting Person is not a controlling shareholder and has no voting or investment power with respect to the Issuer's securities.
2. Shares held in PACCAR Savings Investment Plan (SIP).
3. December 5, 2011 dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. (SIP information based on most recent report from SIP trustee - received January 13, 2012)
4. January 5, 2012 dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. (SIP information based on most recent report from SIP trustee - received January 13, 2012)
5. Shares awarded January 12, 2012 under SIP. (SIP information based on most recent report from SIP trustee - received January 13, 2012)
6. Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).
7. Share units held in deferred phantom stock account under LTIP convertible to common stock on a one-for-one basis upon satisfaction of all applicable conditions.
8. Share units held in deferred phantom stock account under PACCAR Deferred Incentive Compensation Plan (DICP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable conditions.
9. Share units held in deferred phantom stock account under PACCAR Deferred Compensation Plan (DCP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable conditions.
Remarks:
Mark C. Pigott 01/13/2012
** Signature of Reporting Person Date
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).
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