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John Deere G differential


 
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Caterpillar man
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PostPosted: Mon Mar 04, 2013 6:35 pm    Post subject: John Deere G differential Reply to specific post Reply with quote

Has any one every had trouble with the differential gear spinning on the cast hub. Looks like the gear is pressed on and then they drill it and install some kind of rivet and mine has spun on those rivets.
 
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GoJDpuller
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PostPosted: Mon Mar 04, 2013 6:38 pm    Post subject: Re: John Deere G differential Reply to specific post Reply with quote

It does happen some guys weld them together to prevent that
 
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HOSEY
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PostPosted: Tue Mar 05, 2013 9:36 am    Post subject: Re: John Deere G differential Reply to specific post Reply with quote

Yes I have seen that. We weld 1" welds all the way around the gear. Have not had a problem sense.
 
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Todd Spillman
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PostPosted: Fri Mar 08, 2013 12:04 pm    Post subject: Re: John Deere G differential Reply to specific post Reply with quote

dont weld it, drill it and pin it.
 
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elkcagg
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PostPosted: Mon Mar 11, 2013 6:55 pm    Post subject: Re: John Deere G differential Reply to specific post Reply with quote

Do you press 3 pins in between the rivets, like a 3/8" dowel? I'm in favor of this myself vs welding.
 
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Todd Spillman
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PostPosted: Tue Mar 12, 2013 11:31 am    Post subject: Re: John Deere G differential Reply to specific post Reply with quote

3/8 pin is fine, and 3 will work. space them out about the same as the factory rivets are. make sure you have a real good center punch when you go to drill your holes so the drill bit doesnt walk on you, because the gear is much harder than the cast. split the difference between the casting and the gear and drill it out. we always put some locktight on the pin before putting it in and then pean the edges over with a punch. pinning will be more durable then welding it.
 
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