Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Here are the best engines in 2026 for towing, fuel efficiency, and more.