International MaxxForce 13 6 Cylinder 13.0 L Diesel 500 hp Engine, 2013 US EPA Label, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, Double Differential Locks, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Air Ride Suspension, 210 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks, Hour Meter Reads 4375