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 ...

You might want to listen up, because Cummins engines have been playing you this whole time. By day? Sure, they look like your average, salt-of-the-earth diesel, hauling freight, towing trailers, and ...