SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) April 24, 2017

PACCAR Inc

(Exact name of registrant as specified in its charter)

777 106^th Avenue NE, Bellevue, WA 98004

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (425) 468-7400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.):

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Item 5.02(f). On April 24, 2017, the Compensation Committee of the Board of Directors approved the Long Term Performance Cash Awards (“LTIP Cash Awards”) for the 2014-2016 cycle under the Long Term Incentive Plan for the Named Executive Officers identified in the Company’s March 16, 2017 proxy statement (“Proxy Statement”). The total compensation for each Named Executive Officer reported in the Summary Compensation Table on page 24 of the Proxy Statement has been recalculated to include the LTIP Cash Awards as follows:

Item 5.07. Submission of Matters to a Vote of Security Holders

Item No. 1. Election of Directors.

The following persons were elected to serve as Class I directors with a term expiring in 2018:

Item No. 2. Advisory Resolution to Approve Executive Compensation.

Item No. 2 received the affirmative vote of a majority of the shares present and entitled to vote at the meeting.

Item No. 3. Advisory Vote on the Frequency of Executive Compensation Votes.

Three Years received the highest number of affirmative votes of the shares present and entitled to vote at the meeting.

Item No. 4. Stockholder Proposal to Eliminate Supermajority Voting.

Item No. 4 received the affirmative vote of a majority of the shares present and entitled to vote at the meeting.

Item No. 5. Stockholder Proposal to Provide Proxy Access.

Item No. 5 did not receive the affirmative vote of a majority of the shares present and entitled to vote at the meeting.

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.