The repairs that need software changes are not (generally) the ones that are at issue here. One big issue is that a fair number of tractor code faults are emis

The repairs that need software changes are not (generally) the ones that are at issue here. One big issue is that a fair number of tractor code faults are emissions control faults on these machines which are super annoying as the emissions system is sensitive especially as it ages. That may be in part a problem with overly strict emissions controls. So deleting emissions controls is popular in this space. And yes, dealers actually do help with this on tractors. If you need to be able to hack your stuff in this way - lots online here: https://machinery-tunes.com/john-deere-dpf-egr-def-scr.html https://machinery-tunes.com/john-deere-dpf-egr-def-scr.html