Have a 2005 tc55 2wd (12 speed) with 150hrs on it, can trade it for a 2004 4wd (8 speed) with 400 hrs on it for additional $4000, he's giving me 18k for mine, mine has a NH loader and 6' qa bucket, the 4wd has a bush hog 528? loader and 6' bucket. His is the dealership loaner tractor, has 70%...