PACCAR INC — Director's Dealing 2011

Mar 10, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PACCAR INC (PCAR)
CIK: 0000075362
Period of Report: 2011-03-07

Reporting Person: BARKLEY MICHAEL T (VICE PRESIDENT/CONTROLLER)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-07	COMMON STOCK (DCP)	$	J	1.1	Acquired		COMMON STOCK (1.1)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK (ESPP)	5.85	Direct
COMMON STOCK (SIP)	13860.353	Direct
COMMON STOCK	2556	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
STOCK OPTION	$44.56	2017-01-31	COMMON STOCK (8925)	8925	Direct
STOCK OPTION	$45.74	2018-01-30	COMMON STOCK (8332)	8332	Direct
STOCK OPTION	$30.81	2019-01-31	COMMON STOCK (13892)	13892	Direct
STOCK OPTION	$36.12	2020-02-02	COMMON STOCK (12354)	12354	Direct
STOCK OPTION	$50.50	2021-02-03	COMMON STOCK (8782)	8782	Direct

Footnotes

F1: Shares held in PACCAR Inc Employee Stock Purchase Plan (ESPP).

F2: Shares held in PACCAR Savings Investment Plan (SIP).

F3: Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).

F4: Share units held in deferred phantom stock account under PACCAR Deferred Incentive Compensation Plan (DCP) 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 DCP reinvested pursuant to DCP.