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180 185 Rear Ends.

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=187668
Printed Date: 07 Apr 2026 at 2:16pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 180 185 Rear Ends.
Posted By: caledonian
Subject: 180 185 Rear Ends.
Date Posted: 14 Apr 2022 at 1:04pm
I have always wondered how much heavier their rear ends were compared to the D17. Thank you.



Replies:
Posted By: DrAllis
Date Posted: 14 Apr 2022 at 4:14pm
A lot. You think that rear end is just a D-17 S4 or 170 but it isn't. They've stuffed a complete 190/190XT transmission inside that rear end case. The axle tubes are much heavier and bull gears twice as wide.


Posted By: DougG
Date Posted: 14 Apr 2022 at 6:16pm
When I got my roller One Eighty puller- had Agent Orange - on the side, suppoedly it had a 4 turbo setup on it ? Dunno that is true , but pulled the final drives to redrill them and the axle splines had a quarter twist in them , never broke but sure were in a bind somewhere !


Posted By: caledonian
Date Posted: 14 Apr 2022 at 11:28pm
Thanks for the Information. I knew they were more rugged than a D17. Just didn't know you much. They are a very rugged designed tractor I do know that. Our 180 Diesel is going on 12000 hours. All original engine transmission and rear end.


Posted By: DrAllis
Date Posted: 15 Apr 2022 at 6:40am
I'd go out on a limb and say 95% of any transmission problems with a 180/185 are due to gears being ground to a pulp when shifting, or run out of oil from a leaking PTO shaft seal.



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