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Wd45 final drive

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=151819
Printed Date: 10 May 2025 at 1:43pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Wd45 final drive
Posted By: WI-Fields
Subject: Wd45 final drive
Date Posted: 04 Jul 2018 at 11:23pm
I have a bad outside axle bearing and broken teeth on my bull gear. Is it easier to change the whole final drive or replace the affected parts.



Replies:
Posted By: B26240
Date Posted: 05 Jul 2018 at 5:54am
If it was my tractor I would change whole unit from diff housing out, does require removal of brake shoes.    Final drive assemblies are inter changeable left to right. 


Posted By: Bill Deppe/AC Salvag
Date Posted: 05 Jul 2018 at 7:20am
Believe you may have to remove the brake shoes for the drum to clear the housing


Posted By: Lon(MN)
Date Posted: 05 Jul 2018 at 8:24am
I have several finals all apart and on the shelf or the assembly with the brake drum off. the only difference is the fender support casting between WD and WD45. I have those also with no broken bolts in the casting. Also have resurfaced brake drums and all the brake parts. For Sale!


Posted By: WI-Fields
Date Posted: 05 Jul 2018 at 8:41am
I’ve had a final off   But to replace the bearing and the bull gear I’m having a lot of problems getting the top 4 big bolts loose tried to cut the nut off and drive it out wouldn’t budge


Posted By: SteveM C/IL
Date Posted: 05 Jul 2018 at 12:41pm
Originally posted by WI-Fields WI-Fields wrote:

I’ve had a final off   But to replace the bearing and the bull gear I’m having a lot of problems getting the top 4 big bolts loose tried to cut the nut off and drive it out wouldn’t budge
 The two castings never get seperated. The axle pinion comes out through the brg cap and the bull gear drops out the bottom.


Posted By: TramwayGuy
Date Posted: 05 Jul 2018 at 2:35pm
If I’m not mistaken, the wheel axle on the WD45 is slightly stronger than the WD, even though they are interchangeable.


Posted By: SteveM C/IL
Date Posted: 05 Jul 2018 at 9:35pm
both originals in dads WD broke over the years and it does seem the the new ones were better built...man that was a while ago...


Posted By: garden_guy
Date Posted: 05 Jul 2018 at 10:27pm
What was the telltale sign it was bad? or did you take it apart and find out?


Posted By: DrAllis
Date Posted: 06 Jul 2018 at 6:49am
I think when the axle failed, the tire/wheel fell off the tractor.


Posted By: WI-Fields
Date Posted: 06 Jul 2018 at 1:19pm
I was tractor pulling. The loud band clunk and sudden stop.



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