Peterbilt Model 520
Powertrain choices include two diesel engines, the PACCAR MX-11 and PACCAR PX-9, and two near zero natural gas engines, the Cummins L9N and the ISX12N.
The PACCAR MX-11 engine provides outstanding power in a lightweight package and is fully integrated with the truck’s electrical system for the ultimate in PTO body control customization. It is designed to deliver: