Daimler Truck North America and Cummins announced the availability of the Cummins X15N 15-liter natural gas engine in the ...

When you think of diesel Chevy trucks, you likely think Duramax. But the Duramax engine wasn't the first diesel to power ...

Fuel efficiency is always top of mind. Cummins is delivering measurable gains with the new Cummins X15 GHG 27 engine—up to 4% ...

The second-gen 6BT Cummins, spanning the 1994 to mid-1998 model years, also had just two valves per cylinder. Improvements in the engine's fuel delivery system included a new fuel pump ...

After installation, professional tuning is recommended. An experienced tuner can adjust the air-fuel ratio, ignition timing, and other engine parameters. For owners of the 6.7L Cummins engine, ...

Both engines are the initial launches of Cummins’ HELM, or Higher Efficiency, Lower emissions and Multiple fuels, platform. The engine lineup is referred to as “fuel agnostic,” the base engine remains ...