Posted 6/13/2007 15:58 (#161948 - in reply to #161935) Subject: RE: 14.9 x46
Henry, Illinois
(2*14.9)/(80*12)=.031
So you will drive over about 3% of your crop. Assuming you are talking about a self propelled rig, or you also have 14.9 tires on the tractor that are on the same tread setting.