Fantastic job Kai! Sometimes we make do with what we have. That D6 is getting some needed love from you, but will keep paying for itself over and over.
Where did you end up sourcing the thermoids? Was your water pump project successful too?
Are you going to follow the D8 and disk the orchard? Walnut removal is the nastiest, foulest thing around here. A LOT of roots to clean up.
Thanks for the photos, they help others envision what they might be up against. JM

Did you check your center plate bearing good?

Sourced the links from cat for around 105$ a piece, they have them on ebay for 40$ but wanted to make sure they were correct. Turns out cat messes up to because one pack was out of alignment. The Main water pump seems to be happy, got the pony water pump sealed up now to. I did manage to rip a tooth off my brush rake 
D8 isn't in my orchard yet but that's coming soon, will follow it with the d6 rake and then disc

Centerplate bearing felt okay