New Heavy Duty Cummins ISX12 Engine

With 12% better fuel economy in construction and other work trucks, and 5% improvement in regional applications, the new heavy duty Cummins engine comes compete with a new name: the ISX12.

The heavy duty Cummins ISX 12 has not changed physically since it was introduced in 2010. The engine design is based on the ISX15 big-bore engine, along with exhaust gas recirculation (EGR). The new numerical designation is easier to read, similar to the ISX15 and ISL9 Cummins products.

Full production of the Cummins ISX12 engine beings in March 2012.

The vocational ratings of the ISX12 run from 320 to 425 horsepower, with torque outputs of 1,150 to 1,650.  On-highway ratings of the heavy duty Cummins ISX 12 have a horsepower range of 310 to 425, and a Smart Torque rating of 1,250 / 1,350 to 1,450 /1,650. The SmartTorque ratings unleash higher torque in the top gears so drivers can climb hills with less downshifts.

Integrated rear-engine power take-off (REPTO) and front-engine power take-off (FEPTO) drives are available, along with a choice of hydraulic drive options.

Cummins ISX12 Engine

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