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 ...

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

The late 1980s were a very important time for consumer diesel pickup trucks, as the torque wars between the Big Three American auto manufacturers began ramping up. In the late 1970s and early 1980s, ...

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.

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, ...

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 ...

In previous installments of the Magnum Manifesto series (Aug./Sept. '98), we introduced Chrysler Jeep-Truck Engineering's Magnum V-8s. We reviewed the major features of the 360-cubic inch (5.9L) small ...