PACCAR INC — Director's Dealing 2007

Jan 16, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2007-01-11

Reporting Person: PLIMPTON THOMAS E (PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-01-11	COMMON STOCK (SIP)	J	80.6	$66.11	Acquired	26718	Direct
2007-01-11	COMMON STOCK (SIP)	J	.4	$68.34	Acquired	26718.4	Direct
2007-01-11	COMMON STOCK (SIP)	J	825.1	$64.76	Acquired	27543.5	Direct
2007-01-11	COMMON STOCK (SIP)	A	215.4	$51.07	Acquired	27758.9	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	8047	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$18.80	2012-01-23	COMMON STOCK (40394)	40394	Direct
STOCK OPTION	$20.93	2013-01-15	COMMON STOCK (67752)	67752	Direct
STOCK OPTION	$37.97	2014-01-15	COMMON STOCK (36837)	36837	Direct
STOCK OPTION	$48.17	2015-01-20	COMMON STOCK (42660)	42660	Direct
STOCK OPTION	$48.34	2016-01-26	COMMON STOCK (40236)	40236	Direct
COMMON STOCK (LTIP)	$		COMMON STOCK (4735)	4735	Direct
COMMON STOCK (DICP)	$		COMMON STOCK (2658.1)	2658.1	Direct

Footnotes

F1: December 5, 2006 dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. (SIP information based on most recent report from SIP Trustee - received January 11, 2007.)

F2: Interest on funds held in SIP pending investment in shares reinvested in shares December 8, 2006 pursuant to SIP.

F3: January 5, 2007 dividend on SIP shares reinvested pursuant to SIP.

F4: Shares awarded January 10, 2007 under SIP.

F5: 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.

F6: 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.