Paccar PX-9 Engines

The Paccar PX-9 is an 8.9L diesel engine designed for medium-duty truck and vocational applications. Built on the proven Cummins ISL platform, the PX-9 delivers dependable horsepower and strong torque for commercial fleet operations.

This engine platform includes electronic fuel management, turbocharging, and emissions control systems designed to meet modern EPA standards while maintaining efficiency and reliability.