The ISX12 heavy-duty engine delivers fuel economy improvements of up to 5% in regional haul applications and as much as 12% in vocational applications over the ISX11.9.
- Utilizes an enhanced cooled EGR system, single VGT Turbocharger, XPI fuel system and Cummins Aftertreatment System with SCR technology
- Standard ratings from 310 to 425 hp or SmartTorque ratings from 330 to 425 hp
- 800 lb.-ft. of clutch engagement torque
- Available with integrated rear engine power take-off, front engine power take-off and a choice of hydraulic drive options