8-K

PACCAR Inc

Date: January 16, 2026

/s/ M. K. Walton

M. K. Walton

Vice President and General Counsel

UNITED STATES

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) January 14, 2026

PACCAR Inc

(Exact name of registrant as specified in its charter)

Delaware

001-14817

91-0351110

(State or other jurisdiction
of incorporation)

(Commission

File Number)

(IRS Employer
Identification No.)

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.):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, $1 par value	PCAR	The NASDAQ Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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.

(b) On January 14, 2026, C. Michael Dozier, Executive Vice President, announced his retirement from PACCAR after 37 years of service. Mr. Dozier’s retirement is effective April 1, 2026.

Item 8.01.

Other Events

W. Lance Walters, Assistant Vice President, will be promoted to Vice President and will assume responsibilities for the Company’s operations in Australia, Mexico and South America effective April 1, 2026.

Raja Shembekar, Vice President, will assume responsibilities for international business development effective April 1, 2026.

SIGNATURES

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.

SEC Form 8-K filed by PACCAR Inc.