This Ram 2500 is powered by a 6.7L Cummins Turbo Diesel I6 engine with 6-speed automatic transmission, delivering 370 horsepower and a mammoth 850 lb-ft of torque. This engine gives the Ram truck a payload rating of 3,160 pounds and a towing capacity of 20,000 pounds. 2022 Ram 2500 Heavy Duty — Cummins Powertrain A…