Farm Equipment - Model C rear rims

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Model C rear rims

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=130114
Printed Date: 02 Jun 2025 at 8:26am
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Topic: Model C rear rims

Posted By: Bensjamming
Subject: Model C rear rims
Date Posted: 17 Oct 2016 at 11:07am

So after looking closer at the rear rims on my model c I seen they don't have of the wedge or eccentric bolts that I read about most of them having. Mine has a flange with bolt holes that goes all the way around the inside of the rim and has 4 bolts that go through the center cast hub directly through that flange on the rim.

Is this an original AC style rim that came with these in 1942? Also is the only way to change tire width by switching sides with the tires and rims since they seem to have an offset?

Replies:

Posted By: Dakota Dave
Date Posted: 17 Oct 2016 at 12:12pm

You have after market loop rims. the tread width can be changed by repositioning the rims to the other side of the wheel center. changing the tires to the other side of the tractor the loops are offset in the rim so moving it to the other side changes the offset. turning the wheel centers around and moving the loops either outside the center or inside. so all total you have eight different tread width settings.

Posted By: Bensjamming
Date Posted: 17 Oct 2016 at 8:47pm

Thanks alot. Ya I looked at aftermarket rims and the ones I seen had 4 loops welded to them where as these another ring that goes all the way around with the bolt holes in it. Guess I don't plan on really adjusting the width from where they are at now, but never though of flipping the cast hub around.

Posted By: Dakota Dave
Date Posted: 17 Oct 2016 at 10:24pm

Your second description sounds like a waffle wheel rim. There fairly common as front wheel assist rims.

Posted By: Bensjamming
Date Posted: 18 Oct 2016 at 8:30pm

I'll have tone try and remember to take a picture of them when I get home. Was confusing me as I'd seen some posts about how to mount the rear wheels and I was looking at mine like you just put the bolts in the hub and rims and tightenjoy. Lol