Every diesel-head knows about Cummins engines — specifically, the six-cylinder Cummins 5.9-liter and 6.7-liter engines. But given how popular these engines are, we won't blame you if you didn't know ...

Today, a major part of Cummins' reputation as a diesel engine manufacturer lies in the torquey inline-six turbodiesels that have faithfully powered the Ram heavy-duty pickup trucks since 1989. Some of ...

On the other hand, you may be shocked that the Cummins diesel engines powering heavy duty Ram pickup trucks are not eight-cylinder designs. While you won't find a Cummins V8 diesel in a Ram pickup, ...