There are 4 hydraulic cylinders on my L’s loader, 2 on the grapple, and 2 more on the three point. Don’t have a backhoe but that’s still a lot of hydraulic cylinders for a little CUT.
Not much familiar with ChatGPT. Never heard of GROK. Biggest problem I’ve seen with AI answers so far is even if the answers are 100% correct every time (unlikely) you still have to ask the right question. Lost count of how many times one of the people I worked with asked a question and after we talked a bit the answer started with, “First off, you’re asking the wrong question because you’re aimed in the wrong direction. The answer to your question is _____. The answer to the question you should be asking is_____. “ Haven’t seen an AI that can do that yet. Probably just a matter of time.
I do know when Kubota spec’d the maintenance procedures they could have added, “complete these additional steps to drain the hydraulic cylinders if your tractor is equipped with a loader or backhoe”, but they didn’t. At least they didn’t for the L4701. If it was installed new with clean oil in it, I wouldn’t consider purging the cylinders unless there was known contamination.
If purchasing a used implement with hydraulic cylinders, I would purge those before attaching to the tractor’s hydraulics the first time because… See post #2 in this thread.