Cummins’ venerable 5.9-liter diesel engine has undergone many revisions. Here are some highlights of each one. What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts ...

Diesel engines are common in pickup trucks, like the Cummins 6.7- and 5.9-liter engines that power some Ram trucks. Ford and Navistar teamed up to bring the venerable 7.3-liter Power Stroke diesel ...

The 6.7L Cummins engine has been around for almost two decades. Here’s how much horsepower the stock versions of the 6.7 have ...

While a rumored smaller Cummins engine for use in the light-duty Ram 1500 never materialized, the work-ready 6.7-liter Cummins turbo diesel accounts for 80 percent of all Ram HD sales.

Cummins says the project resulted from a 9-year partnership with the U.S. Department of Energy to develop high-performance, fuel-efficient, clean diesel engines that provide an average fuel ...

Cummins says the next generation of its Turbo Diesel engines will continue powering Ram pickups for at least five more years. The Columbus based engine manufacturer along with Stellantis officials ...