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.

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 ...

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 ...

We may receive a commission on purchases made from links. Diesel engines have gained ground on their gas-fueled counterparts in recent years thanks in part to diesel's greater efficiency and the ample ...

When it comes to gas-guzzling engines, the American automotive industry is known for building some of the best V8s of all time. However, US manufacturers have also developed some legendary diesels, ...

When it comes to diesel pickup trucks, the big three names have traditionally been Powerstroke (Ford), Duramax (GM and Chevrolet), and Cummins (Ram and Dodge). While each brand and its fans are ...

At a time when Cummins Inc. is undergoing change, branching into alternative forms of power, the company saluted a product that’s been a staple for three decades. The Columbus-based company celebrated ...

While we normally cover gasoline-powered or electric vehicles at CarBuzz, diesel engines also play a huge part in automotive history, albeit for different reasons. Typically, in the US, we associate ...

Chrysler Group's Ram truck division today is celebrating its 25-year association with Cummins, maker of heavy-duty diesels that once were best known for their use in semi-tractor rigs. Few marriages ...

Our coverage of Ultimate Callout Challenge 2022 continues with this look at some of the best diesel engines powering competitors' rigs, as well as oil-burners found beneath the hoods of badass trucks ...