Cat 6 Cylinder Diesel Engine, 49390 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, 12000 lb Front Axle, 38000 lb Rears, 50000 lb GVWR, Air Ride Cab, 58 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R22.5, Air Ride Suspension, 266 in Wheelbase, Air Sliding 5th Wheel