1983 John Deere 7720 2WD Combine, 3,645 Engine Hours Showing, Manual Concave Adjustment, Manual Sieve And Chaffer Adjustment, Rotary Chopper, 25.5-32 Front Tires, 14.9-24 Rear Tires, Horsepower: 145 Hp Standard, Threshing System: 55-inch Wide Cylinder With 5 Straw Walkers, Grain Tank Capacity: Approximately 190 Bushels, Fuel Capacity: 100-gallon Diesel Tank, SN: H07720X557953