John Deere S680 May 26, 2012 by farmlifetoday bigtractorpowerSat, May 26, 2012 5:29pmURL:Embed:2012 Wheat Harvest Follow us on Facebook at https://www.facebook.com/bigtractorpower 4 John Deere S680 combines with 640FD draper heads 2 John Deere 9460R 4wds with Brent 1594 Grain Carts