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.

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

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 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 ...

The first RAM with a Cummins engine under the hood was launched in 1989 and has continued to evolve, now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third ...

Diesel engines are more durable by their very nature, and these ones are practically unkillable.