480ck or 580ck getting transmission fluid into rear section

robilmichael · Jun 17, 2014

Hi, I have 480ck with 3 pt. hitch and pto, with 4 speed hi/low with a shuttle shift. I noticed that my transmission fluid was low and my rear section was high in fluid, and it looks like the trans fluid is getting into the rear section. Any ideas what would be causing this? Thanks.

Case Nutty 1660 · Jun 17, 2014

could be 3pt rockshaft piston seals leaking, or one of the shaft seals from the trans to the rear end needs replaced

robilmichael · Jun 17, 2014

Thanks, is the piston seal accessible from the top by removing the cover, or do I need to split the tractor? I assume that I need to split the tractor if it is some other seal.

Thanks again for any help.

Case Nutty 1660 · Jun 17, 2014

to get to the rockshaft remove the top cover/rockshaft to repair, there is also a return hose that can brake and dump oil into the rear compartment as well, you will find it when you start to remove the top cover

robilmichael · Jun 17, 2014

Thanks. I have a manual and will put that on the to-do list.

480ck or 580ck getting transmission fluid into rear section

robilmichael

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Case Nutty 1660

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robilmichael

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Case Nutty 1660

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robilmichael

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