Posted 12/21/2010 23:14 (#1499978 - in reply to #1499941) Subject: Re: Case IH Discs
Casey Illinois
3900 is about the same as the 496 except for the folding part, the folding part is the same as the 3950. 3900 is not as heavy as the 3950, 3950 has heavier frame, better bearings, bigger wheels and hubs.