PACCAR INC — Director's Dealing 2004

Jan 14, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2004-01-13

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-01-13	COMMON STOCK (SIP)	J	58.8	$79.86	Acquired	21420.2	Direct
2004-01-13	COMMON STOCK (SIP)	J	.3	$84.05	Acquired	21420.5	Direct
2004-01-13	COMMON STOCK (SIP)	O	299.2	$85.90	Acquired	21719.7	Direct
2004-01-13	COMMON STOCK (SIP)	A	160.3	$62.38	Acquired	21880.1	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	14016	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
COMMON STOCK (LTIP)	$		COMMON STOCK (20062.8)	20062.8	Direct
COMMON STOCK (DICP)	$		COMMON STOCK (13404.7)	13404.7	Direct

Footnotes

F1: December 5, 2003 dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. (SIP information based on most recent report from SIP Trustee - received January 13, 2004.)

F2: Interest on SIP shares reinvested December 24, 2003 pursuant to SIP.

F3: January 5, 2004 dividend on SIP shares reinvested pursuant to SIP.

F4: Shares awarded January 8, 2004 under SIP.

F5: 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.

F6: 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.