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210 differential stuck

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=141450
Printed Date: 01 Jan 2026 at 1:51am
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Topic: 210 differential stuck
Posted By: AaronH
Subject: 210 differential stuck
Date Posted: 14 Aug 2017 at 3:35pm
I need some advice.. the differential in my 210 seems to be stuck in a "posi" situation.. it goes into gear will drive straight forward and straight in Reverse but the wheels are stuck driven together any ideas?



Replies:
Posted By: injpumpEd
Date Posted: 14 Aug 2017 at 7:50pm
oh no! galled the spider gears? I worry about mine, since I've never been any deeper than the transmission. I do run mine over full on the trans oil.

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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!


Posted By: Pete from IL
Date Posted: 14 Aug 2017 at 8:17pm
My 190 did that several years ago. Spider gear broke apart in the differential. Could be a major teardown for you.


Posted By: DrAllis
Date Posted: 16 Aug 2017 at 7:21am
Rear wheels have to come off. Axles have to be pressed out after removing the fuel tank and 3 point hitch and lift arm housing. A major job for someone who may not have the equipment to do the work.


Posted By: Jordan(OH)
Date Posted: 16 Aug 2017 at 8:41am
My 220 did it once. Went forward and back a few times alternating brakes it broke loose and no problems since.


Posted By: Orange Blood
Date Posted: 16 Aug 2017 at 2:44pm
Our D21 did the same thing many years ago.  We parked it, only moved it as necessary, and started it to keep the oils moving every once in a while, then one day out of the blue it just started working again.  I don't know if the problems are related, we always assumed something got into the spiders, that eventually worked its way out.  While it has never done any kind of pulling other than itself and light loads, it does get some use now and then, and so far nothing has surfaced again.  Now that might be different if we put it back on tillage duty???

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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7


Posted By: AaronH
Date Posted: 16 Aug 2017 at 4:04pm
I'm crossing my fingers for a fairly simple fix but I'm prepared for a total takedown just feeling pretty defeated right now the old girls going to sit in the shed until I have time to mess with it.



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