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

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.

The Cummins diesel engine has long carved its name into industrial equipment, agricultural machines, and the heavy-duty truck market. Dodge trucks started using the Cummins 5.9-liter B-Series ...

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, ...

Cummins diesel engines are highly regarded as being tough and reliable. However, the 5.9L Cummins 24-valve engines produced from 1999 to 2002 used engine blocks that are prone to cracking. While any ...

Every diesel-head knows about Cummins engines — specifically, the six-cylinder Cummins 5.9-liter and 6.7-liter engines. But given how popular these engines are, we won't blame you if you didn't know ...