Discing 2012 HD – John Deere 4440 and 630 Disc May 9, 2012 by farmlifetoday How Farms WorkWed, May 9, 2012 12:16amURL:Embed:My brother working in the field on some of our ground with his disc. Become a bro ► http://bit.ly/XYVvDd Facebook ► http://on.fb.me/YpS8oH Donate ► http://bit.ly/DonatetoHFW