Welcome to the era of smarter, cleaner power

The Cummins 5.9L inline 6-cylinder was a fan favorite in RAM pickups for years, and when it evolved into the 6.7L Turbo Diesel mid year of 2007, a variety of enhancements – along with greater displacement – made it a real crowd pleaser. RAM owners gained a lot more power, improved fuel efficiency and a quieter, cleaner-running engine Through the years, Cummins has promoted higher power density
Late last year, Cummins shipped its first QSK95 built specifically for rail. The engine – one of the most powerful high-speed diesels ever used in commercial rail – was delivered to a Siemens manufacturing facility in Sacramento, destined for duty in U.S. passenger rail. Capable of top speeds of 125 mph when used as the primary power of a locomotive, the engine delivers 4,400 hp, more than any