Machinefinder, john deere and the associated trademarks are property and available only for the specific use of deere & company. all rights reserved. 2007-2008 2008 john deere 9770 sts 08' 9770 sts. 2nd owner. 1200 engine/900 separator. 85% rubber, 2 tires are new. duals. hi cap. unload. touchset controls. John Deere Greenstar Combine Yield Monitor System For 9400 9500 .