B Overhaul
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=138489
Printed Date: 05 Oct 2025 at 6:56pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: B Overhaul
Posted By: smith29
Subject: B Overhaul
Date Posted: 16 May 2017 at 8:17pm
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Good evening, I am in the process of overhauling a B that was getting water in the oil. I've gotten along great until now. We can't seem to get the engine to separate from the clutch housing. Of course I removed the 4 bolts that hold them together but my IT book says that's all you need to do to separate them. Is there anything else I need to do? Thanks for the help. Joe ------------- Allis-Chalmers WD, WD45, 912H, B110, 1973 White Top Roto-Baler, 82T Sickle Mower, Push Mower, and several Snap-Coupler attachments |
Replies:
Posted By: Dick L
Date Posted: 16 May 2017 at 8:59pm
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That is all except for the steering arm, throttle rod, fuel line and wiring harness. Nothing on the inside that will hold it if you are not cocked to cause a bind. You could have rust on the drive shaft splines the clutch slide on when you engage the clutch pedal. Just pry it apart. |
Posted By: Bill Long
Date Posted: 16 May 2017 at 9:06pm
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We sure split enough of them when we sold them. Never had a problem. As Dick L says pry it appart. I do not know the condition of the B - is it rusted a lot - which may mean that the drive shaft is rusted to the clutch. Perhaps you can remove the clutch inspection plate at the bottom of the clutch housing and spray some oil in there. May help. In any event we all wish you the best. Take good care of my favorite. Let us know how it goes. Good Luck! Bill Long
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Posted By: smith29
Date Posted: 17 May 2017 at 5:50am
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Thanks for the help guys. I was hoping that there weren't any bolts coming in from the back cause there isn't really a way to get to them. Been a real easy project until now. Thanks again! Joe ------------- Allis-Chalmers WD, WD45, 912H, B110, 1973 White Top Roto-Baler, 82T Sickle Mower, Push Mower, and several Snap-Coupler attachments |
Posted By: Gerald J.
Date Posted: 17 May 2017 at 9:42am
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The I&T manual is marginal and sometimes suspect. There is a copy of an original AC shop manual on my web site at: http://www.geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf" rel="nofollow - http://www.geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf Gerald J. |
Posted By: smith29
Date Posted: 20 May 2017 at 9:16am
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Thanks for all the help guys and the link Gerald J! I finally got it to come apart. We anchored the rear of the tractor to the shop floor and hooked the engine to our skid loader with a come-along to keep pressure. Drove a splitting wedge in the top and the second jar it was loose. But instead of the shaft coming apart at the clutch, it came apart in the transmission. I was then able to heat the clutch splines and finally get the shaft to let loose of the clutch. So now my question is, sliding the shaft back in the trans. Do I have to take the torque tube off to match the splines again or is it just a matter of pushing back in and finding the splines where it sets? Thanks. Joe ------------- Allis-Chalmers WD, WD45, 912H, B110, 1973 White Top Roto-Baler, 82T Sickle Mower, Push Mower, and several Snap-Coupler attachments |
Posted By: Dick L
Date Posted: 20 May 2017 at 12:41pm
I think I broke my torque tube last week by using my loader to remove it after I had the engine removed from the front. Here is some pictures that might help. They have to match the splines and have a cotter key. I drilled this one out and put a 5/16" grade eight bolt with a double nut. I have changed several and used a cotter key without a problem. The drive shaft splines can get damaged when not fully engaged and held with a cotter key.  Here is a link to more pictures. They are not in any order. http://public.fotki.com/DickL/tractor_parts/allis-chalmer-c-dri/" rel="nofollow - http://public.fotki.com/DickL/tractor_parts/allis-chalmer-c-dri/ |