On November 4, 2008, the PACCAR Inc Board of Directors named Kirk S. Hachigian and Warren R. Staley to the PACCAR Inc Board of Directors effective December 9, 2008.

Kirk S. Hachigian will serve as a Class I director and Warren R. Staley will serve as a Class II director. The information required by Item 5.02(d)(3) is not available at this time. There are no reportable transactions for either individual under Item 404 (a) of Regulation S-K. Each director will receive compensation for his services in accordance with the Company's standard compensatory arrangements for non-employee directors. These arrangements include an annual retainer of $75,000 prorated for 2008 to $18,750, Board meeting fees of $7,500 per meeting, Committee meeting fees of $5,000 per meeting, and an annual restricted stock award of $90,000 prorated for 2008 to $22,500. Two press releases announcing the Board action are attached as Exhibits 99.1 and 99.2 to this Report.

(c) Exhibits.

The following are furnished as Exhibits to this Report.

  Exhibit Number   Description
  99.1             Press release of November 4, 2008 regarding Kirk S. Hachigian
  99.2             Press release of November 7, 2008 regarding Warren R. Staley

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: November 7, 2008 By: /s/ D. C. Anderson D. C. Anderson Vice President and General Counsel