John Deere, 9770 STS, 2010, base unit only (fronts available to suit), has been running a John Deere 640D, 520/85R42 duals, 480/85R26 rears, hydrostatic drive, Contourmaster feederhouse, 7.9M high capacity unloading auger, chopper with manual vane tailboard, Premium cab,service records, well maintained machine.