Navistar N13 6 Cylinder 12.4 L Diesel 410 hp Engine, 2013 US EPA Label, CARB Compliant, Engine Brake, Retarder, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, Air Ride Cab, 295/75R22.5, Air Ride Suspension, 160 in Wheelbase, PTO, Wet Kit