Think the legendary 6.7 Cummins is the undisputed king of heavy-duty torque? Here are four massive diesel engines that ...

The Cummins 5.9-liter 6BT diesel became a legend in Ram pickups, work equipment, and marine use through durability and ...

While the world is trying to go EV, heavy duty diesel trucks like the Ford F-250 are still the rage for those who do big jobs (or want to look like they do). Many truck owners are always on the ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...

Today's diesel fuel lacks much of the natural lubricity that diesel fuels once offered, taking a potential toll on fuel ...

Among diesel technicians, a few engines have earned a reputation for turning routine jobs into all-day battles, with cramped packaging, fragile components and baffling design choices that punish ...

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

Diesel engines and gasoline engines are so fundamentally different that it’s possible to do real damage simply by filling up your car with the wrong fuel. Converting a diesel engine to actually ...

Cruise ships make use of a wide array of diesel engines. It might seem like overkill, but their presence is quite important ...