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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * PIGOTT MARK C   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 (Last) (First) (Middle) 777 106TH AVENUE NE 3. Date of Earliest Transaction (Month/Day/Year) 12/05/2007 (Street) BELLEVUE, WA 98004 4. If Amendment, Date 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 (City) (State) (Zip) 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               2,555,862 (1) D   COMMON STOCK               123,286 (2) I WIFE & CHILDREN COMMON STOCK               1,308,892 I (3) EASCLIFFE COMPANY COMMON STOCK (SIP)               60,231.561 (4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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 (5)

$ 10.57

01/01/2001

04/28/2008

COMMON STOCK

200,598 (6)

200,598

D

STOCK OPTION (5)

$ 10.62

01/01/2002

04/27/2009

COMMON STOCK

310,870 (7)

310,870

D

STOCK OPTION (5)

$ 8.25

01/01/2003

01/25/2010

COMMON STOCK

351,298 (8)

351,298

D

STOCK OPTION (5)

$ 10.2

01/01/2004

01/24/2011

COMMON STOCK

342,339 (6)

342,339

D

STOCK OPTION (5)

$ 12.54

01/01/2005

01/23/2012

COMMON STOCK

284,724 (6)

284,724

D

STOCK OPTION (5)

$ 13.96

01/01/2006

01/15/2013

COMMON STOCK

248,427 (6)

248,427

D

STOCK OPTION (5)

$ 25.31

01/01/2007

01/15/2014

COMMON STOCK

135,067 (9)

135,067

D

STOCK OPTION (5)

$ 32.11

01/01/2008

01/20/2015

COMMON STOCK

173,043 (6)

173,043

D

STOCK OPTION (5)

$ 32.23

01/01/2009

01/26/2016

COMMON STOCK

147,343 (10)

147,343

D

STOCK OPTION (5)

$ 44.56

01/01/2010

01/31/2017

COMMON STOCK

112,266 (6)

112,266

D

COMMON STOCK (LTIP) (11)

(11)

12/05/2007

J(12)

107.54

(11)

(11)

COMMON STOCK

107.54

$ 54.55

32,697.23 (13)

D

COMMON STOCK (DICP) (14)

(14)

12/05/2007

J(15)

268.01

(14)

(14)

COMMON STOCK

268.01

$ 54.55

81,489.67 (13)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PIGOTT MARK C 777 106TH AVENUE NE BELLEVUE, WA 98004	X		CHAIRMAN & CEO

Signatures

Mark C. Pigott		12/06/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	On September 11, 2007 PACCAR declared a stock dividend of one additional share of common stock for every two shares of common stock payable October 9, 2007 to all holders of record of common stock on September 25, 2007. As a result of the stock dividend the reporting person received 851,954 additional shares of PACCAR common stock.
(2)	Total adjusted to reflect 50% stock dividend. As a result of the stock dividend the reporting person received 41,095 additional shares of PACCAR common stock. Reporting person received $28.52 for a fractional share valued as of October 9, 2007.
(3)	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. As a result of the stock dividend the reporting person received 436,297 additional shares of PACCAR common stock. Total adjusted to reflect 50% stock dividend. Reporting person received $28.52 for a fractional share valued as of October 9, 2007.
(4)	Shares held in PACCAR Savings Investment Plan (SIP). Number of shares adjusted to reflect 50% stock dividend.
(5)	Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).
(6)	Number of derivative securities, underlying securities and price adjusted to reflect 50% stock dividend.
(7)	Number of derivative securities, underlying securities and price adjusted to reflect 50% stock dividend. Reporting person received $ 23.20 for a fractional share valued as of October 9, 2007.
(8)	Number of derivative securities, underlying securities and price adjusted to reflect 50% stock dividend. Reporting person received $ 24.39 for a fractional share valued as of October 9, 2007.
(9)	Number of derivative securities, underlying securities and price adjusted to reflect 50% stock dividend. Reporting person received $ 15.86 for a fractional share valued as of October 9, 2007.
(10)	Number of derivative securities, underlying securities and price adjusted to reflect 50% stock dividend. Reporting person received $ 12.40 for a fractional share valued as of October 9, 2007.
(11)	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 vesting conditions.
(12)	Dividend on share units held in deferred phantom stock account under LTIP reinvested pursuant to LTIP.
(13)	Total adjusted to reflect 50% stock dividend.
(14)	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 vesting conditions.
(15)	Dividend on share units held in deferred phantom stock account under DICP reinvested pursuant to DICP.
Remarks: Fractional shares rounded to nearest 1/10.

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