The Peterbilt Model 388 tractors are equipped with a Westport HD 15-liter natural gas engine, Eaton 13-speed transmission, 40,000-pound Dana Spicer rear axles and a Peterbilt Airtrac suspension.

The PACCAR MX engine with speed control management is available in Peterbilt Models 587, 389, 388, 386, 384, 367, and the Model 365. Speed Control Management options are also available with Eaton ...

WASHINGTON (Dec. 4, 2015) — PACCAR Inc. is voluntarily recalling 1,652 Peterbilt trucks that can travel at speeds higher than those indicated for the speed ratings of their front tires. The recall ...

WASHINGTON—Paccar Inc. is voluntarily recalling 1,652 Peterbilt trucks that can travel at speeds higher than those indicated for the speed ratings of their front tires. The recall involves nine ...