I have the oppertunity to get an old ac d17. he wants 1600 or trade for ??? i have a quad up for the part!! So now, is this a good tractor? are parts still available ??? what size disk might i be able to pull with it?? I mostly want it to pull a disk. i feel like im killing the mf which is doing an awesome job but the hst is limiting me on speed vs pulling power.. any thoughts on this purchase? thanks jon