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Rear Axle Nut

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=31252
Printed Date: 02 Jan 2026 at 3:28pm
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Topic: Rear Axle Nut
Posted By: Bee
Subject: Rear Axle Nut
Date Posted: 24 May 2011 at 11:57am
Whats the easiest way to get the rear axle nuts off my B?  Beat it? heat it? put a pipe on the wrench and put it in gear?  Or does it come off easier with the rear jacked up?
Thanks! 

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Bob, North Carolina

1949 B



Replies:
Posted By: George Davenport
Date Posted: 24 May 2011 at 4:56pm
I can't tell you how to get a hard one off, but once you get it off I would weld a large hex nut on it that you could put a socket on the next time.


Posted By: GBACBFan
Date Posted: 24 May 2011 at 7:06pm
I bought large hex nuts from McMaster Carr to replace them once I got them off. Not for the correct police, but like George said, a 3/4" socket works the next time.

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"The trouble with quotes on the Internet is that you can never know if they
are genuine." - Mark Twain


Posted By: MBWisc
Date Posted: 25 May 2011 at 7:53am
A large hammer and chisel will take them off and get them tight when out back on. 


Posted By: Bob(W-Md)
Date Posted: 25 May 2011 at 8:10am
I've got 2 large hex nuts from an International truck dealer in 1998 for my B. Part# 452403C1 At that time they were $3.86 ea. plus tax.Hammer and chisel to get old ones off.Large socket and breaker bar to install new ones.Easier to check and keep tight.


Posted By: Dick L
Date Posted: 25 May 2011 at 11:11am
Those that I turned off that were that hard to turn took the threads off the axle when I put the big wrenches to them. Best to cut it off and get a different nut after repairing the threads on the axle where the nut was locked fast.


Posted By: Tedin NE-OH
Date Posted: 25 May 2011 at 1:02pm
I ues an old monkey wrench and hammer on the handle. A pipe wrench also works, especially if the tire and rim are off.


Posted By: Bee
Date Posted: 25 May 2011 at 3:07pm
After heating, the Harbor Fright Monkey wrench with iron pipe worked well.  Threads look good. 
Usually my posts stem from my frustration of dealing with 60 yr old rust and neglect.  After I vent I just go and figure it out cause technology hasn't progressed to the point that Dick L will pop out of my computer and fix it for me.

As info for anyone looking to replace your nuts... 1 1/2 inch 12 thread. 



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Bob, North Carolina

1949 B



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