International 6 Cylinder Ultra Low Sulfur Diesel Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, 5842 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 72 in High Rise Sleeper Cab, Aluminum Outer Wheels, 295/75R22.5, International Air Ride Suspension, 239 in Wheelbase, Air Sliding 5th Wheel