B right rear wheel loose
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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=124206
Printed Date: 06 Nov 2025 at 2:33am
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Topic: B right rear wheel loose
Posted By: peterh
Subject: B right rear wheel loose
Date Posted: 06 Jun 2016 at 10:05am
There is some wiggle on the right rear wheel on the B... wasn't there last week. what might be the cause of this?
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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Replies:
Posted By: cpg
Date Posted: 06 Jun 2016 at 10:13am
If the rim is moving/loose on the center I would say your clamp bolts turned. I had that happen on mine; there is an eccentric lobe on the bolt like on a camshaft that when you turn the bolt it tightens the clamp against the rim. Trying turning the bolts to make the clamps tight then make sure the nut is really nice and tight and is either a locking nut or use a lock washer to keep it from loosening and spinning again.
If the whole cast center is loose on the axle it is possible the big center nut is loose. That just requires a big old wrench and tighten it.
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Posted By: jeffsh
Date Posted: 06 Jun 2016 at 11:20am
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If loose on the splines try adding a 2nd washer or cut a little off of the back of the center
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Posted By: LeonR2013
Date Posted: 06 Jun 2016 at 11:41am
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Splines may getting worn also. If so drag a welding rod down the splines trying to leave just a little weld. Set the hub in place and with a BFH drive it on and tighten the nut bull tight. Won't last forever but easily a couple of years.
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Posted By: steve(ill)
Date Posted: 06 Jun 2016 at 12:10pm
the center of the hub is tapered onto the bull shaft. The nut should be around 600 ft pounds of torque... 3 ft wrench and stand on the end. You also need to jack up the tire an inch off the ground and try to rotate it after you tighten the nut. If the taper has enough wear the hub will slide on too far and hit on the back side ... you can pull off the hub and grind a 1/8 inch off the dust lip to let the hub slide on slightly further.. IF the splines are sugnificantly damaged, your in trouble.. You can spread some type liquid metal on the splines and hub and beat it together and let that fill the gaps.. Hopefully you can get a year or two out of it.. Check nut torque every 10 hours to verify.
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Like them all, but love the "B"s.
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Posted By: peterh
Date Posted: 06 Jun 2016 at 12:59pm
thanks guys, ill check it out and see what we can do to fix it based on your suggestions.
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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Posted By: CTuckerNWIL
Date Posted: 06 Jun 2016 at 5:29pm
You can fix the worn spline and hub in place with a good epoxy. I anchored a flywheel on the backshaft of a 2500 ton forge press and they ran it for 6 months, 24-7 till they got parts ahead. Then the guys that rebuilt it had to heat the flywheel hub to about 600 degrees to get it off and portapower it off.
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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Bill Long
Date Posted: 06 Jun 2016 at 8:30pm
You are all really over my head. When we were servicing them I cannot recall problems with the rear wheel hub or nut. However, times does go by and these units are 59 - 79 years old. Only thing I can suggest is to be certain the eccentric lugs that hold the rim to the wheel are in place. There is a cross on the eccentric lug nuts that show the position.
Just keep that B alive. Thanks to all you are doing.
Good Luck!
Bill Long
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