The 5.9L Cummins diesel engine is best known for its time when it powered Dodge trucks beginning in 1989, and it's an engine that certainly helped propel the Ram into being one of the top pickup ...

Cummins’ venerable 5.9-liter diesel engine has undergone many revisions. Here are some highlights of each one. What is a ...

It is easier to hit emissions standards with gas engines. With diesel prices remaining 50c per gallon or more above the price ...

The pickup has featured a Cummins diesel engine since the original 160-hp, 5.9L Cummins B-series turbo diesel powered it back in 1989 and continues to do so today in the form of the current 6.7L ...

For years, Cummins fans have wondered what a gasoline version of the legendary 6BT would look like. The original 5.9-liter I6 ...

Producing up to 460 pound-feet of torque, a 5.9-liter Cummins inline-six engine was also offered as an option. The Ram 2500 could tow up to 14,000 pounds depending on the engine and drivetrain. One ...