Dodge’s 2500 and 3500 heavy-duty Ram pickups see a replacement for the former 5.9-liter high-output diesel engine with a new, more powerful and cleaner-running 6.7-liter Cummins Turbo Diesel High Output engine that delivers 350 hp and 650 lb.-ft. of torque. New options include a 6-speed automatic transmission and remote vehicle start.