Cummins has put together an upgraded version of its 6.7-liter engine turbo diesel for RAM trucks - here's how much power this new powerplant can produce.

Over the years, the diesel engines under the hoods of Dodge and Ram trucks have grown more and more powerful. These are some of the strongest.

Cummins announced it has produced its 3 millionth engine, 6.7-liter I6 powerplant to go under the hood of a 2019 Ram 3500 Longhorn ...

Cummins Inc. has been manufacturing turbo diesel engines for Ram trucks since 1988, when it began producing a 5.9-liter engine for the 2500 and 2500 models.