Richard Berst operates this 1999 Peterbilt 379 hauling oversize/overweight freight. About a year after he bought the unit, he stretched the frame to 330 inches and added a lift axle. A half-year on, ...

Peterbilt is now offering the Hendrickson Primaax EX severe-duty vocational air suspension system designed for vocational, severe service, and heavy-haul applications. The suspension system will be ...

Peterbilt’s new Model 335 hybrid electric tractor now is available for immediate order through the company’s dealer network. According to David Giroux, Peterbilt’s marketing communications director, ...

Peterbilt's UltraLoft integrated sleeper is now available for the Model 567. The Model 567 can be spec’d for virtually any application, from vocational to on-highway and regional haul configurations.

Two new Paccar automatic transmissions are available in Kenworth and Peterbilt Class 8 heavy trucks, included select vocational applications. The TX-18 offers additional capability for heavy ...