Peterbilt’s concept truck is powered by a Cummins 15-liter diesel engine with a 48-volt mild hybrid system that generates electricity for auxiliary functions and reduces demand on the engine.

Five years after launching its first Class 8 EV, Paccar has a new ePowertrain for Peterbilt’s extended heavy-duty EV lineup, featuring the next-generation Model 579EV and new vocational Model 567EV.

Peterbilt’s SuperTruck I debuted in 2014, and that truck was a more traditional design based on the Peterbilt Model 579, White explained. “But the SuperTruck II is a complete clean-sheet ...

New general manager Jake Montero said a raft of new products and new technologies both in -- and outside of -- its trucks have Peterbilt positioned for strong grown in 2025.

There are two engine brands that power Peterbilt trucks: PACCAR and Cummins.The PACCAR engines include MX-13, MX-11, PX-9, and PX-7, while the Cummins models are limited to X15, ISX12N, L9N, and ...