Detroit Series 60 6 Cylinder 14.0 L Diesel 455 hp Engine, 2006 US EPA Label, 16561 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Eaton Fuller FRO-15210B 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 3.58:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 295/75R22.5, Airliner Air Ride Suspension, 177 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks