Posted 4/16/2009 11:56 (#682470 - in reply to #681080) Subject: Re: tracks or tires? upgrading Case-IH 9170
It takes more hp to drive a QuadTrac than a comparable 4wd tractor due to 4 undercarriages. The competitive tracked machines (Deere and CAT) eliminate the drop box and the front differential. That will gain some efficiency over wheels. IMHO.