Detroit DD15 6 Cylinder 14.8 L Diesel 475 hp Engine, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller FRO-16210C 10-Speed Manual Transmission, Triple Differential Locks, 12000 lb Front Axle, 40000 lb Rears, Meritor RT-40-145 Drive Axles, 3.90:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 211 in Wheelbase, PTO, Wet Kit, Winch, Headache Rack, Rolling Tailboard