Machine description: 6 Cylinder Diesel 162 kW Engine, 1980 US EPA Label, Automatic Transmission, 18000 lb Front Axle, 38000 lb Rears, 56000 lb GVWR, 385/65R22.5 Front Tires, 11R22.5 Rear Tires, Spring over Walking Beam Su... more info about the 1981 International F-5050.