75- to 174-hp PowerTech Tier 4i Engines

The PowerTech PWX 4.5L and PVX 4.5L and PowerTech PVX 6.8L (below 174 hp) have been certified as compliant with EPA Interim Tier 4, EU Stage III B and CARB emissions regulations.

  • Utilize cooled exhaust gas recirculation (EGR) for NOx control and an exhaust filter for reducing particulate matter
  • Feature full-authority electronic controls, a four-valve cylinder head, high-pressure fuel system, wastegate or variable geometry turbocharging and air-to-air aftercooling system

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