Farm Equipment - Allis 7000 differential

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Allis 7000 differential

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=212312
Printed Date: 22 Sep 2026 at 7:02pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Allis 7000 differential

Posted By: Empirestate
Subject: Allis 7000 differential
Date Posted: 22 Sep 2026 at 5:45pm

I made my first post back in the spring about my 1978 allis 7000. The opion was I had a differential problem. I'm finally ready to tackle it. Question, do I have to split it to get the differential out? Thanks for any help.

Replies:

Posted By: DrAllis
Date Posted: 22 Sep 2026 at 6:43pm

No split. Start by jacking/blocking up under the drawbar bail area so both rear wheels are off the ground. Remove both rear wheels and set aside. Until that is done, you really cannot do anything else. Lift arm housing comes off. Axles get pulled out 6 inches and bull gears drop down. Rear end cover gets removed. Brake assemblies get removed. Bull pinion shafts/gears get pulled. Bull gears then can be lifted out to access a couple differential bolts. Diff carriers get removed both sides. Diff rolls out the back hole.

Posted By: Empirestate
Date Posted: 22 Sep 2026 at 7:01pm

thanks a lot dr. I was hoping a split wasn't required. I'll post my progress.