Interim Tier 4/Stage III B

Tried-and-true performance

Equipment owners who want straightforward, cost-effective power rely on PowerTech PWX 4.5L engines. These compact engines blend advanced emissions-control technology with simple and reliable wastegated turbocharging to maintain transient response and peak torque in all operating conditions. Their 4-valve cylinder heads also provide excellent airflow for greater low-speed torque. Multiple rated speeds let you fine-tune your engine selection to reduce noise and improve fuel economy.

Improved performance and efficiency

When you need unparalleled performance, PowerTech PVX 6.8L or 9.0L engines are the perfect fit for your application. Both displacements utilize our proven PowerTech Plus technology with variable geometry turbocharging (VGT) to improve performance and combustion efficiency, reduce emissions and increase fuel economy.

Ultimate performance and responsiveness

For ultimate performance in off-highway applications that take you up and down steep grades at high altitudes. Or when you simply want maximum transient response and low-speed torque. A PowerTech PSX 6.8L, 9.0L, or 13.5L engine is exactly what you need. Along with proven PowerTech Plus technology, all three displacements feature series turbochargers that improve performance and responsiveness.