Peterbilt trucks are a familiar presence on US roads. If you're often driving alongside freight traffic, you'll probably spot them with their bright red oval badges at least a couple of times a day.

Peterbilt is offering the Cummins Westport natural gas engine in its Model 365 and Model 384. Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor ...

The Paccar MX-11 engine will be available for Peterbilt’s flagship Model 579 and vocational Model 567 trucks beginning Nov. 13, the company has announced. The 10.8-liter, six-cylinder engine will be ...

Peterbilt Motors Company announced Tuesday its availability of a new lightweight engine designed for endurance, quieter performance and fuel efficiency. The PACCAR MX-11 engine is available on the ...

Peterbilt Motors Co. on Wednesday, April 21, announced its North American Tour featuring the new Paccar MX engine and new Model 587. The tour will launch April 26 and will stop at 77 Peterbilt dealer ...

DENTON, Texas--(BUSINESS WIRE)--Peterbilt trucks powered by a 2017 PACCAR MX engine will provide customers new horsepower and torque ratings, higher performance and lower cost of ownership, Peterbilt ...

Peterbilt has announced its Model 379-127” and Model 379X will now optionally offer the Caterpillar C15 engine rated at 600 or 625 hp. When Peterbilt begins manufacturing trucks with the C15 in ...

Peterbilt Motors Co. on March 29 announced that the Cummins B6.7N natural gas engine will be available on the OEM’s medium-duty models 536 and 537. The two MD models were introduced last year and are ...

Truck manufacturer PACCAR announced today it is gearing up to provide a new engine for its line of Kenworth and Peterbilt trucks later this year. Dubbed MX, the new power unit will be available with ...

Both Mack and Peterbilt are legendary American truck manufacturers, but these two companies actually inhabit quite distinct ...

Peterbilt is now offering the Paccar TX-12 Pro automated transmission with the Paccar MX-13 engine in the Models 579, 567 and 589. The company says the combo offers optimized performance for both on- ...

Peterbilt has announced availability of the Cummins B6.7N natural gas engine in its medium-duty Models 536 and 537. A member of the new medium-duty lineup, the non-CDL Class 6 Model 536 is designed ...