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920 rear axle bearings/bushings?

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artful dodger View Drop Down
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Joined: 31 May 2025
Location: Kokomo, IN
Points: 17
Post Options Post Options   Thanks (0) Thanks(0)   Quote artful dodger Quote  Post ReplyReply Direct Link To This Post Topic: 920 rear axle bearings/bushings?
    Posted: Yesterday at 6:36pm
My 920 has a severe leak and sits canted towards the side with the external diff on the rear axle.  Lots of up and down play on that side, so that is where the lop sided issue is coming from along with the seal being trashed.  I am guessing this is a major tear down to get to this to replace it?  Never been into one of these rear ends so I have no idea what I am going to get into.  Am I better off to find a donor tractor and just swap the rear end out?  I know the axles were heavier duty on the diesels, not sure why as the only thing that gets beat up by the diesel is the BGB. 
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acken View Drop Down
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Joined: 02 Jan 2014
Location: Minnesota
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Post Options Post Options   Thanks (0) Thanks(0)   Quote acken Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 6:44pm
Axle tube, and shaft are longer on 920's. Guessing to give a wider stance as it's a heavier tractor.
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artful dodger View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote artful dodger Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 7:01pm
Ok, that said, what am I getting into to fix the issue, I have to run the hydro a quart low as any fluid above bottom of the axle seal just pours out.  She is doing ok for mowing right now, but need to fix this once the grass slows down.  
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acken View Drop Down
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Joined: 02 Jan 2014
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Post Options Post Options   Thanks (0) Thanks(0)   Quote acken Quote  Post ReplyReply Direct Link To This Post Posted: 18 minutes ago at 7:53pm
I wouldn't press your luck running it with hydro level low. If it's the seal leaking you will need to remove differential assembly on RH side to get at seal. Will need to remove grease zerk, and snap ring also. If the LH side is leaking you will also need to remove axle shaft. Make sure to put electrical tape over keyway, snap ring groove, and grease fitting threads before sliding new seal on. Hopefully you have at least a parts manual showing order of everything. Make sure to inspect axle tube for cracks.
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