John Deere 750 Grain Drills on a Tandem Houck Hitch November 16, 2013 by farmlifetoday bigtractorpowerSat, November 16, 2013 3:35pmURL:Embed:John Deere 750 Grain Drills on a Tandem Houck Hitch pulled by a John Deere 9330 4wd Tractor