PACCAR INC — Director's Dealing 2004

Jun 5, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2004-06-04

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-06-04	COMMON STOCK (LTIP)	$	J	107.7	Acquired		COMMON STOCK (107.7)	Direct
2004-06-04	COMMON STOCK (DICP)	$	J	71.9	Acquired		COMMON STOCK (71.9)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	21024	Direct
COMMON STOCK (SIP)	32910.6	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$18.56	2010-01-25	COMMON STOCK (63672)	63672	Direct
STOCK OPTION	$22.94	2011-01-24	COMMON STOCK (86449)	86449	Direct
STOCK OPTION	$28.20	2012-01-23	COMMON STOCK (71901)	71901	Direct
STOCK OPTION	$31.40	2013-01-15	COMMON STOCK (66498)	66498	Direct
STOCK OPTION	$56.95	2014-01-15	COMMON STOCK (36156)	36156	Direct

Footnotes

F1: Shares held in PACCAR Savings Investment Plan (SIP). SIP information based on most recent report from SIP trustee.

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: Dividend on share units held in deferred phantom stock account under LTIP reinvested pursuant to LTIP.

F5: 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.

F6: Dividend on share units held in deferred phantom stock account under DICP reinvested pursuant to DICP.