Cat C7 6 Cylinder Diesel 300 hp Engine, 2004 US EPA Label, Air Conditioner, Eaton Fuller 8LL Manual Transmission, 14600 lb Front Axle, 40000 lb Rears, 54600 lb GVWR, 12R22.5 Front Tires, 11R22.5 Rear Tires, Spring over Walking Beam Suspension, 236 in Wheelbase, PTO, Maintainer Corp 21 ft Body, Hydraulic Air Compressor