PACCAR INC — Director's Dealing 2004

Oct 7, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2004-10-06

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-10-06	COMMON STOCK (SIP)	J	103.3	$63.94	Acquired	33130.5	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	21024	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$18.56	2010-01-25	COMMON STOCK (33672)	33672	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
COMMON STOCK (LTIP)	$		COMMON STOCK (30380.5)	30380.5	Direct
COMMON STOCK (DICP)	$		COMMON STOCK (20298.4)	20298.4	Direct

Footnotes

F1: September 7, 2004 dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. SIP information based on most recent report from SIP Trustee - received October 6, 2004.

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.