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Message: <blockquote data-quote="longeze" data-source="post: 47257" data-attributes="member: 6252"><p>If it's leaking "pretty bad", who knows how long he's been operating it that way and if or how often he's run it low on fluid. That would be my concern. It would also concern me that he doesn't know where the leak is coming from. Given how accessible all the hydraulics are in these old machines, how hard could it be to find a major leak? I have the two speed setup also, and a cam follower and detent adjustment per the ops manual took care of getting that to function correctly. Finally, FWIW my L779 also howls loudly when turning (a common complaint I notice having read the various posts here on older NH machines) but noticeably less so when in low range. As you likely already know, the noise could also be a function of low fluid level and the sound of the pump(s) cavitating. Others who work on these machines regularly I'm sure know more, but as for "how serious it could be", it could be that you have junk for pumps and wheel motors and/or a transmission. I'm told that because the pumps and motors are put together as a unit, when either section fails, the other isn't far behind. Good luck!</p></blockquote><p></p>