Case IH 600 Quadtrac and 500 Precision Air Drill October 1, 2014 by farmlifetoday bigtractorpowerWed, October 1, 2014 8:18amURL:Embed:Case IH 600 Quadtrac and 60ft 500 Precision Air Drill Follow us on Facebook at https://www.facebook.com/bigtractorpower