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.

Cummins Inc. has agreed to pay an over $1.67 billion penalty to settle claims by regulators that the engine manufacturer unlawfully altered hundreds of thousands of pickup truck engines to bypass ...

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

COLUMBUS, Ind.--(BUSINESS WIRE)--Today, Cummins Inc. (NYSE: CMI) announced it will launch its most efficient heavy-duty diesel engine ever. As the next product in the Cummins HELM™ 15-liter fuel ...

There are a ton of diesel engine options globally praised for their reliability, build quality, and long-term durability. Some of the most respected diesel options in America include the Ford 7.3L ...