Detroit Series 60 6 Cylinder 14.0 L Diesel 475 hp Engine, 2005 US EPA Label, Air Conditioner, Cruise Control, Power Windows, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, 58 in High Rise Sleeper Cab, Aluminum Outer Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 242 in Wheelbase, Air Sliding 5th Wheel