Next rainy day im going to look at a 2090 with a good motor/bad trans(wont move) for 3500. Ive dealt with the guy before and can prob get him down to 2500. I know troubleshooting by computer is less than ideal but ive never been around a case. I was thinking if i get there and the power steering and hitch work, maybe its something simple? Or am i thinking wrong? Figured maybe you guys can shed some light on the subject. just wondering if this sounds like a run far+fast/ worth a chance/ or just no way to tell until you get into it? thanks in advance.

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You would need to get more info. I have seen a couple pump drives go out and give a total loss of all hydraulics. The pump runs off the flywheel center and not through the TL plate so you should still have steering and for that matter tranny pressure and PTO action. I agree that a flo test would be a good tool to figure wich way to look but paying attention to what is still working will go a long way to an experienced tech. Plugging a flo meter into the remotes, testing the powershift in each range with the pressure in the remotes controlled by the flow meter to a pressure that will not kick out the spool holding detents, then comparing flow readings in each powershift range will allow you to see even small leakages in the different clutches. mEl

I would need more info to give much of a guess, I have seen from a brg out to torque limiter failure and every thing in between, as to the steering and brakes they run from a seperate pump piggy on the, main closed center system as the "90" series use a copletely different hyd system than the "70" series a "hands" on flow/ diagnostic test needs to be done to make a well edgucated guess, at least that is how I am able to do them and in the end only a tear down will show all problems completely, I find the flow test is usally the best way to tell where to dig sorry not more help, I hope mEl will chime in he may have another way to make a short cut cnt

More than likely its the torque limiter hub has failed. I couldnt tell you how many we put in in a years time. Its very common on those tractors for it to fail. Thad