Detroit Series 60 6 Cylinder 14.0 L Diesel 515 hp Engine, 6657 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTOC-16909A 13-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, Alliance ART-40 Drive Axles, 3.42:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 229 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks