I picked up an S-16-H over the weekend. The tractor is in very good shape with a newer 42" mower deck. The K341 runs great, deck is quiet, but the hydo/trans is bad. I knew this going in. I'm debating whether to tear into the hydro and fix it, drop one of my spare hydros in it, or part it out (for me).
What it does...
It goes forwards and backwards, full speed only (in reverse also!). It crawls to speed and then goes full speed, irregardless of lever position. Once at full speed in either direction it won't stop or return to neutral. I can move the control lever, and it will occasionally slow for a split second, then back to full speed in whatever direction you are going. You can shut it off and restart it, and it will be in neutral if the lever is put there from starting. Sometimes it will go from fwd to rev while moving fwd, with the lever still in the fwd position. That is really fun, going from full speed fwd, to full speed rev! I can move the fwd/rev lever back and forth while moving and nothing but split-second slowing happens.
So...has anyone had this happen to them or fixed a hydro with this issue? I've never torn into one of these and was wondering if it took a nice pile of money to rebuild one? I have a spare hydro for an easy fix, but I'm all for learning something new with a rebuild. I read the Sundstrand rebuild article on here and don't think I would have a problem doing it. I just don't want to spend a bunch of money on it when I have two spares sitting on the shelf.
Thanks in advance.