BigJon.......Honestly the only troubles I ever had with my machine was as follows. light made rear axle. We had to reinforce it before it broke. The air conditioner. I never could ever get that thing to seal up and hold all the refrigerant over the winter not to mention continously replacing lines. Other than that It was general maintenance. Filters, Oil changes, an occasional hydralic line, bearing, or belt. The most money I ever dumped in that machine was the 222 header when I rebuilt the wobble box and the cutting bar. That wasn't from abuse or poor engineering though. That was from use. I would suggest checking the cast holding blocks that hold the feederhouse in the c-grooves of the mainframe of the combine. We did replace those a couple times and probably because thier not greasable (something deere should of copied from massey). Also make sure your wobble box is in good shape. If you break the wobble shaft that is not cheap and neither are the bearings for the wobble box. Other than the items listed that's all I can think of for now. I hope this helped.
