The 430-horsepower Cummins Turbo Diesel delivers a 70% rise in torque. The diesel option is offered on Ram 2500 and 3500 HD ...

After Caterpillar stopped building on-highway engines in 2009, the main fight is between Detroit and Cummins when it comes to the best commercial diesel engines on the market currently.

Much of those profits came from the sale of diesel engines for consumer and commercial use, including the 6.7-liter turbodiesel inline-six. The 6.7-liter Cummins has been around since 2007 ...

Ram unveiled official specifications for its updated 2025 heavy duty trucks Tuesday, making strides in arguably the biggest ...

Cummins told Edmunds it can supply a second manufacturer with the 5.0-liter diesel that Nissan will be using, so we wouldn't be surprised to see it end up in a Toyota or somewhere else.