PACCAR INC — Director's Dealing 2004

Jan 6, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2004-01-05

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-01-05	COMMON STOCK (LTIP)	$	J	274.4	Acquired		COMMON STOCK (274.4)	Direct
2004-01-05	COMMON STOCK (DICP)	$	J	183.4	Acquired		COMMON STOCK (183.4)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	14016	Direct
COMMON STOCK (SIP)	21361.4	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$27.83	2010-01-25	COMMON STOCK (49115)	49115	Direct
STOCK OPTION	$34.42	2011-01-24	COMMON STOCK (57633)	57633	Direct
STOCK OPTION	$42.31	2012-01-23	COMMON STOCK (47934)	47934	Direct
STOCK OPTION	$47.10	2013-01-15	COMMON STOCK (44332)	44332	Direct

Footnotes

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

F2: Share units held in deferred phantom stock account under PACCAR Long Term Incentive Plan (LTIP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.

F3: Dividend on share units held in deferred phantom stock account under LTIP reinvested pursuant to LTIP.

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.

F5: Dividend on share units held in deferred phantom stock account under DICP reinvested pursuant to DICP.