It began in 1989 when Cummins started supplying its B-series engines to Dodge for use in three-quarter-ton (Ram 250) and one-ton Dodge Ram (Ram 350) trucks for the 1989 model year. This was a ...
See also: A look at the 2025 Ram Heavy Duty and Chassis Cab All 2025 Ram Heavy Duty truck ... the Cummins 6.7L Turbo Diesel pickup and chassis cab engine systems offer improved cold-start ...