It's been a while since this site has been posted... Try <A target="_blank" HREF=http://www.machinerylink.com/resources/uevg/default.asp>http://www.machinerylink.com/resources/uevg/default.asp</A>...
Actually, I already did the work... This is for tractor only; you need to add for extras. I believe this is based on auctions as well as dealer sales... No idea of the accuracy of these prices.
Estimated Average Value Less Repairs
Premium $10,673
Good $10,165
Fair $9,329
Approx. Retail Price New: $13,924