If you're in the market for a new diesel engine, you might want to consider what users have to say about their favorite brand ...

Cummins has been making engines for trucks, tractors, and more for more than a century. So, after all that time, which models ...

The 5.9 Cummins is said to be one of the most reliable diesel engines, but that doesn't mean it can't benefit from upgrades. Here's what owners recommend.