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rpropst 
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Joined: 19 Jan 2013
Location: NC
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 Topic: Allis B
Posted: 13 Aug 2017 at 10:44am |
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got the rear lifted up, in gear, tires spin fly wheel and motor dont move. If this statement in your original post is true then the crankshaft is broken or the flywheel bolts are broken or missing.
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1950 snap coupler B 1948 WD 1951Ca 1952B 1952adjustable axel B
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5082
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Posted: 13 Aug 2017 at 8:36am |
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If I was a betting man I would bet good money on the problem being in the slide gears out of position. No need to split it for that. I have repaired this in fresh plowed ground where a fork was broken by switching side cover assemblies.
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Yohon4t
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Joined: 12 Aug 2017
Location: 56374
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Posted: 13 Aug 2017 at 8:18am |
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PS thank you Dick for your info/posts. You have been the most helpful. This isn't my first restore, but clearly I'm not am expert. You seem to have given me a solid idea that makes sense. Will keep you posted as we go.
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Yohon4t
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Joined: 12 Aug 2017
Location: 56374
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Posted: 13 Aug 2017 at 8:14am |
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I'm not afraid to split the tractor, that's what our plan was along, I was just trying to narrow down what I was looking for. Everyone kept saying it's the engine which didn't make sense to me, hence why I came here to post again as well as questioning that on YT. Before I even posted anythi g we had the tractor blocked up and ready to split until everyone on the forums kept telling me it's the motor, we took their advise and tried those things however, none of them worked.
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
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Posted: 13 Aug 2017 at 8:05am |
 john2189 wrote:
So you are saying that if the ring and pinion is locked up, the spiders will still let the wheels turn? And if the pinion is locked up, it will lock the engine? |
It has nothing to do with the engine and his engine is not locked up. He can hand crank it. He has posted he can hand crank it several times on both sites. The transmission is locked up. It looks to me they, like many others, are looking for someone to say abracadabra and it will free up without taking the transmission apart because of the fear of the unknown. This is a common fear by many.
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john2189
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Joined: 11 Sep 2009
Location: Minerva,Ohio
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Posted: 13 Aug 2017 at 7:18am |
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So you are saying that if the ring and pinion is locked up, the spiders will still let the wheels turn? And if the pinion is locked up, it will lock the engine?
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'41 Allis B
'45 Allis B
'49 Farmall Cub
'72 IH Cub
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john2189
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Location: Minerva,Ohio
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Posted: 13 Aug 2017 at 7:15am |
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So you are saying that if the ring and pinion is locked up, the spiders will still let the wheels turn?
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'41 Allis B
'45 Allis B
'49 Farmall Cub
'72 IH Cub
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
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Posted: 12 Aug 2017 at 11:44pm |
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Jacking up one wheel and it turns means the spider gears are free only. When you pull it and one wheel turns backwards means the bottom shaft is not turning. The engine is free and will crank takes it to the transmission and figuring out why the bottom shaft is not turning. First thought is that it is locked in two gears which can only happen if the shifting forks are out of the slide gears. If checked and the forks are in place you still have a problem keeping the bottom shaft from turning. With the side cover off you should be able to find what is keeping the bottom shaft from turning regardless of what is causing it. Fear must be the hold up.
Like I have stated for years, I have had to try to get the forks into the groves more than two times several times. The slightest bump on a slide gear will send it out of alinement with the forks. Once you think you have started to get them in the groves you have covered/blocked your view. If I had been a swearing man I would have cussed the world blue. Since I aint it is just try over and over again.
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john2189
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Location: Minerva,Ohio
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Posted: 12 Aug 2017 at 10:19pm |
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with one rear wheel jacked up in neutral with the pto engaged and trans in neutral does the pto shaft turn while turning the engine over? if so top shaft is free
with one wheel jacked up and in gear and turning engine over, will the wheel turn? if so the bottom shaft is free.
if wheel doesn't turn, the trans is locked in two gears
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'41 Allis B
'45 Allis B
'49 Farmall Cub
'72 IH Cub
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
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Posted: 12 Aug 2017 at 9:25pm |
[Yes when it is in neutral and 1 wheel off the ground the wheel spins freely, same when we tried the other side] This proves that the bottom shaft is not turning. If you checked and the shifting forks are in place it would have to be frozen bearings on the bottom shaft in the pictures. That's all there is cause there aint no more. well maybe a broken gear with the broken piece lodged in between gear teeth.  
Edited by Dick L - 12 Aug 2017 at 9:30pm
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Dick L
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Posted: 12 Aug 2017 at 6:24pm |
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Yohon4t
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Joined: 12 Aug 2017
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Posted: 12 Aug 2017 at 6:16pm |
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Yea clutch seems to operate fine.
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Gerald J.
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Location: Hamilton Co, IA
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Posted: 12 Aug 2017 at 4:43pm |
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Is the clutch pedal linkage adjusted so the clutch pedal has some free play? Without free play the clutch will slip.
Gerald J.
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Yohon4t
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Posted: 12 Aug 2017 at 4:36pm |
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We did check that.
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bradley6874
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Posted: 12 Aug 2017 at 4:32pm |
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Just a thought did you forget to put the clutch plate in. Look up inthe inspections hole in the bottom get sombody to rotate the back tires you should see the shaft rotating . Shaft rotates clutch problem no rotate in gear trans problems
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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Yohon4t
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Posted: 12 Aug 2017 at 3:20pm |
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I believe them, just looking for any and all help. Motor is loose, we are able to crank the motor over with the hand crank but even with 1 wheel on the ground we can't get it to turn the motor over.
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Randy WI
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Joined: 22 Jan 2014
Location: Ogema, WI
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Posted: 12 Aug 2017 at 2:57pm |
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What's wrong didn't believe the folks on Yesterdays tractor when you asked the same question.
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 12 Aug 2017 at 2:37pm |
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OK, I reread the post... I thought the motor was stuck......... maybe your saying you cant get it in gear, or the clutch is not engaged ??? Was the motor loose after rebuild ? Can you rotate with the crank tool ? Look under the tractor in the flywheel area and see if the clutch is slipping or the trans top shaft is not in gear, while rotating the tire.... One tire should be on the ground so it will NOT rotate backward.
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 12 Aug 2017 at 2:33pm |
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Take the spark plugs out so its easier to turn ( no compression)....... put a couple spoons full of penetrant or auto trans fluid in each spark plug hole..... Do you have a crank tool to get on the front of the crank shaft under the radiator ? If not, maybe put tractor in gear and anchor one rear tire ( on a block , or ground).. then push / pull one tire to rock the motor back and forth... look at the fan behind radiator to see if it is moving.... you can also put a pipe wrench on the PTO shaft and tug a little if the PTO is engaged... don't break it.
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Like them all, but love the "B"s.
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Yohon4t
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Joined: 12 Aug 2017
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Posted: 12 Aug 2017 at 11:36am |
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Ok, so we have been overhauling an allis b, did the engine and got the new rims and tires put on. We wanted to pull start it to see if we could get some life I it....didnt work. The differential seems to work fine, tires spin in opposite direction, however nothing turns the motor over right now I got the rear lifted up, in gear, tires spin fly wheel and motor dont move. Feels like it's in neutral....any ideas?
Edited by Yohon4t - 12 Aug 2017 at 12:07pm
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