D21 front wheels ,8 hole to 6
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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=53594
Printed Date: 27 Aug 2025 at 4:42am
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Topic: D21 front wheels ,8 hole to 6
Posted By: DougG
Subject: D21 front wheels ,8 hole to 6
Date Posted: 15 Jul 2012 at 5:59am
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I thought this was a topic while back but cant find anything on it, im wanting to put 6 hole wheels on my 21 , are an XT bearings and hubs the same? ? Whats a good swap? ?
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Replies:
Posted By: DarrylinWA
Date Posted: 15 Jul 2012 at 7:38am
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I know the 6 lug is original for the series 1 D 21 tractor. I think you can use the XT, but I am not sure. Happy hunting! Take care, Darryl
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B 10 Custom. Serial # 1001 D21, First D21 built 69 #4498 and Last D 21 Built #4609. 1946 MM UTU. And 2000, 2005 Pete's. AC custom Hauling.
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Posted By: dustinmo
Date Posted: 15 Jul 2012 at 8:26am
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Do you know when they changed from 6-8 (serial #) as I have a brocure and some other lit that shows the series 1s with both and I have serial # 1300 and it looks to has the 8 hole and one orig rim even with the galv rim and the white center, thanks guys, Dustin
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Posted By: Luke R.
Date Posted: 15 Jul 2012 at 8:48am
I dont think you can use the XT set up. Bearings are different i think. Otherwise the six bolt hubs wouldnt be so hard to find. But i could be wrong.
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4-7030's,170G,220FWA,3-220's,210,D21II,D21I industrial,2-200's,3-190's,175D,2-D19D's,D19G,WD45,WD,CA,2-UCont.,5015FWA,917,B110,Gleaner F
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Posted By: dbounds
Date Posted: 15 Jul 2012 at 10:24am
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our serial #1251 63' had the 8 bolt and our 64' has 8 bolt. I think it must have been an option and most took the 8 bolt. If the 6 bolt uses the same spindle (never seen one up close) then 190 stuff won't fit. Doyle
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Posted By: SteveM C/IL
Date Posted: 15 Jul 2012 at 1:52pm
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Lot of times same hubs use different brg race dia to fit diff spindles.
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