Detroit Series 60 6 Cylinder 14.0 L Diesel 515 hp Engine, 2005 US EPA Label, CARB Compliant, Webasto Engine Coolant Heater, 37008 Engine hrs, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 kg Rears, 52000 kg GVWR, Air Ride Cab, 60 in High Rise Sleeper Cab, Bunk Beds, Aluminum Front Wheels, 11R22.5, Air Ride Suspension, 232 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks