Two engines featured under the hoods of second-generation Dodge Cummins trucks. Models produced between 1994 and 1998 featured a 12-valve 5.9-liter engine, while late 1998 through 2002 models ...

Two engines featured under the hoods of second-generation Dodge Cummins trucks. Models produced between 1994 and 1998 featured a 12-valve 5.9-liter engine, while late 1998 through 2002 models ...

Cummins power plants that feature grid heaters include its 5.9-liter models dating back to 1989 and the larger 6.7-liter engines that power heavy-duty Ram trucks from 2007 up to the 2024 model years.

Cummins diesel engines are terrific ... with a few exceptions. There were a few years when their quality just wasn't up to ...