PACCAR INC — Director's Dealing 2007

May 1, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2007-04-27

Reporting Person: TEMBREULL MICHAEL A (Director, VICE CHAIRMAN)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-04-27	COMMON STOCK	M	30000	$20.93	Acquired	79557	Direct
2007-04-27	COMMON STOCK	S	10000	$84.00	Disposed	69557	Direct
2007-04-27	COMMON STOCK	S	5627	$85.00	Disposed	63930	Direct
2007-04-27	COMMON STOCK	S	4373	$85.05	Disposed	59557	Direct
2007-04-27	COMMON STOCK	S	5900	$86.00	Disposed	53657	Direct
2007-04-27	COMMON STOCK	S	2500	$86.02	Disposed	51157	Direct
2007-04-27	COMMON STOCK	S	1600	$86.05	Disposed	49557	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-04-27	STOCK OPTION	$20.93	M	30000	Disposed	2013-01-15	COMMON STOCK (30000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK (SIP)	56546.1	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$37.97	2014-01-15	COMMON STOCK (54234)	54234	Direct
STOCK OPTION	$48.17	2015-01-20	COMMON STOCK (55989)	55989	Direct
STOCK OPTION	$48.34	2016-01-26	COMMON STOCK (52809)	52809	Direct
STOCK OPTION	$66.84	2017-01-31	COMMON STOCK (40300)	40300	Direct
COMMON STOCK (LTIP)	$		COMMON STOCK (51183.9)	51183.9	Direct
COMMON STOCK (DICP)	$		COMMON STOCK (34197.9)	34197.9	Direct

Footnotes

F1: Shares held in PACCAR Savings Investment Plan (SIP).

F2: Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).

F3: 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.

F4: 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.