The six-speed manual transmission is only available with the 6.7L Cummins Turbo Diesel engine. This transmission was modified to increase torque load for optimal performance. The six-speed automatic transmission is standard with the 6.4L HEMI V8 engine. You can choose the available AISIN six-speed automatic transmission that is an electronically controlled automatic rear-wheel drive transmission that offers increased vehicle weight ratings.
The 6.4L HEMI V8 engine can produce best-in-class horsepower of 410 and has a maximum torque of 429 lb.-ft. This engine can tow up to 16,480 and has a maximum payload of 7,350 pounds. The 6.7L Cummins Turbo Diesel engine can reach up to 385 horsepower and 930 lb.-ft. of torque.