FORM 4UNITED 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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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*
PAGE STEPHEN F

(Last)(First)(Middle)
777 1O6TH AVENUE NE

(Street)
BELLEVUEWA98004

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/05/2008
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
COMMON STOCK         7,674 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 Security3. 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 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
PHANTOM STOCK UNITS (1) 09/05/2008 J(2)  63.8   (1) (1) COMMON STOCK 63.8 $ 41.88 14,908.2 D  
Explanation of Responses:
1. The units are to be settled 1-for-1 in PACCAR common stock after termination of the Reporting Person's status as a non-employee director.
2. Dividend on shares in phantom stock account under PACCAR Restricted Stock and Deferred Compensation Plan for Non-Employee Directors (RSDCP), reinvested pursuant to the terms of RSDCP.
Stephen Page by Janice D'Amato POA09/08/2008
** Signature of Reporting PersonDate
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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

EX-24

I, Stephen F. Page, hereby appoint and constitute Janice M. D'Amato and David C. Anderson, acting individually, my true and lawful attorney-in-fact with full power to sign for me and in my name a Statement of Changes of Beneficial Ownership of Securities issued by PACCAR Inc on Form 4 and Form 5 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, together with any and all amendments thereto. This power of attorney shall remain in effect until May 1, 2012 unless earlier terminated by the undersigned in writing. IN WITNESS WHEREOF, the undersigned has executed this power of attorney this 4th day of December, 2007. /s/ Stephen F. Page Stephen F. Page



 
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