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 ...

The 5.9-liter Cummins is diesel royalty. It's the reason thousands of Ram trucks from the late '90s and early 2000s are still climbing hills, pulling trailers, and terrifying Priuses in the fast lane.

Cummins diesel engines and the Ram truck combined forces some years ago, creating what some would describe as the best partnership since peanut butter and jelly. The first-gen Cummins engines cost a ...

What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts, it's arguably one of the most popular oil-burners ever produced. Cummins engines were dominant in agriculture long before ...

The Cummins diesel engines boast a worldwide reputation for bulletproof durability. In fact, some 30-year-old Cummins-powered high-mileage Ram trucks command new truck prices. So, what is considered ...

Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...