Detroit Series 60 12.7 L Diesel 470 hp Engine, 1996 US EPA Label, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 11R22.5, Air Ride Suspension, 179 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks