PACCAR INC — Director's Dealing 2004

Jul 31, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2004-07-28

Reporting Person: FLYNN PATRICK F (VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-07-28	COMMON STOCK	M	6289	$22.94	Acquired	6289	Direct
2004-07-28	COMMON STOCK	S	5289	$58.00	Disposed	1000	Direct
2004-07-28	COMMON STOCK	S	1000	$58.25	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-07-28	STOCK OPTION	$22.94	M	6289	Disposed	2011-01-24	COMMON STOCK (6289)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK (SIP)	2022.1	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$28.20	2012-01-23	COMMON STOCK (15099)	15099	Direct
STOCK OPTION	$31.40	2013-01-15	COMMON STOCK (13174)	13174	Direct
STOCK OPTION	$56.95	2014-01-15	COMMON STOCK (7617)	7617	Direct

Footnotes

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

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