They only offer a few parts for those HST's. Filter, gasket, bolts, etc. Look on the diagrams. If there's no arrow or no reference number, that part is not available. Such is the case with these TG HST's. I personally don't like to work on them but will if asked. There is not a lot of information in the WSM for these transmissions.
I've never gotten the "pan" (lower cover) off of one without breaking at least one of the bolts off. They are star head. Inverted torx whatever you call them. Then once inside, if you pull the filter, hold it's seat down in the case. If you just yank on it, a check ball tends to fall out and there is NO information as to where that sucker goes, and I mean none. So once that's laying in the bottom (actually the top) of the case, since the case is upside down on the bench, now you have to figure out where it fell out of. I can tell you this: There are several places it can fit but only one works. If misplaced, the HST will not work. If just left out, it will not work. Been there done that. Hydrogear (they build that HST) doesn't know. Kubota doesn't have the drawings for it other than what the WSM shows. All of the Kubota factory guys I've spoken with said that if it's not leaking, leave it alone, and if it is you're in for a "treat". So far they've been 100% spot on!
