Detroit Diesel Engine, US EPA Label, 7660 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 10-Speed Transmission, 13300 lb Front Axle, 40000 lb Rears, 53300 lb GVWR, Air Ride Cab, 58 in Mid Roof Sleeper Cab, Aluminum Outer Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 265 in Wheelbase, Air Sliding 5th Wheel