Detroit Series 60 12.7 L Diesel 455 hp Engine, 2004 US EPA Label, 1202.5 Engine hrs, Air Conditioner, Cruise Control, Manual Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, Air Ride Cab, 295/75R22.5 Front Tires, 11R22.5 Rear Tires, Air liner Air Ride Suspension, 170 in Wheelbase, Dual Fuel Tanks