1980 John Deere 6620 Side Hill 2WD Combine, 3769 Engine Hours Showing, 145 HP, 7.6L (466 Cu. In.) 6-cylinder Diesel Engine, 166-bushel Grain Tank, 4-speed Hydrostatic Transmission, Combination Paddle And Feeder House Chains, 44-inch Threshing Cylinder, Four Straw Walkers, And A 15-foot Unloading Auger, Heavy-duty Rear Axle, 28L-26 Front Tires, 11.2-24 Rear Tires, NOTE: Has A Special Frame To Level The Combine On Slopes, SN: 406083