Not even remotely what they are wanting. They want to be able to have access to the repair manuals, special tools, and software that is needed to work on the tractor, which currently all the manufacturers are keeping for themselves and refuse to sell to the public.
When I bought my last 4x4 SUV (FJ Cruiser) part of the deal was a full set of dealer repair manuals. Most of the dealers I went to did not want to sell them to me. The one that did, and was willing to order me a vehicle to the specs I wanted not just what ever they had on the lot, got my business. While the manuals themselves ran me $600, they have paid for themselves a couple times over since I could do most of the minor work myself. Half the battle is just knowing where all the damn screws are located to get a part off. A must have if you are going to modify and work on your own vehicle.
A few examples of what I'm talking about.
AC repair. Dealer $160 labor, parts $350. DIY $50.
Cabin air filter Dealer $50, DIY $6.
OEM trailer hitch install $350. DIY $120.
OEM alarm. Dealer $275. DIY $0. Changed setting in ECM.
Plastic body panel replacement. Dealer $500 parts and labor. DIY $100
Seatbelt warning bell. Dealer didn't want to turn it off, claimed it was impossible. DIY $0 changed setting in ECM. Fucking priceless never having to listen to that piece of shit ding again.
When you DIY that trailer hitch and something goes wrong due to the installation causing injury to others, can you held liable to a further degree because of the unauthorized/non-certified installation?
When you DIY the alarm system on your vehicle and it gets stolen, is your insurance company liable for the same amount of loss before you tampered with the ECM to support it?
A passenger in your vehicle was not reminded with an audible chime to put on their seatbelt, resulting in serious injury due to an accident. Could you be held liable to a further degree because of blatant tampering with a known safety feature?
Is your vehicle even still under warranty because you tampered with the ECM settings?
It's not hard to find valid reasons why you pay someone else. It's also not hard to understand why you do not fuck with components designed for safety no matter how annoying they may be. The ultimate question is what turns out to be less "cost" to you.
Yeah, I know. It's a shitty world of liability we live in.