A standout change in the 2025 Ram HD lineup is the evolution of the 6.7L Cummins turbo diesel engine, a workhorse that has powered Ram trucks since 2007. For 2025, the engine undergoes several key ...

The automaker will now provide upfitters with engineering-approved rear panel cutaway instructions ... by a 305-horsepower 6.7-liter Cummins Turbo Diesel engine that cranks out 610 lb-ft of ...

While Clessie Cummins and business partner William G. Irwin didn't invent the diesel engine, they saw its budding future and in 1919 started Cummins Engine Co. The diesel engine has undergone ...