While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

Truck owners have an important decision to make when they're buying a new or used truck, what type of engine is best for them? The choice between a diesel engine and a gasoline-powered engine really ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

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