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Ken in Texas 
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Joined: 11 Sep 2009
Location: Henderson, TX
Points: 5919
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 Topic: Rebuilding B and C Transmissions
Posted: 11 Nov 2018 at 3:21pm |
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Is there a "How To Video" of the process? Cleaning rust and crud off gears and shafts first for sure. Are light Rust Pitted parts OK to reuse.
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5082
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Posted: 11 Nov 2018 at 6:33pm |
I have reworked several and took some pictures to show different problem I found at the time. Nothing organized in order. This link would be the closest I could find. https://public.fotki.com/DickL/allis_b_transmissio-1/I do know that the cup in the back fills up with thick crap and keep the roller bearings from getting lubed properly. That cup has to catch splashed oil.  
Edited by Dick L - 11 Nov 2018 at 6:35pm
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Gerald J.
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636
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Posted: 11 Nov 2018 at 8:50pm |
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8031
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Posted: 11 Nov 2018 at 9:17pm |
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My 45 has pitted gears from setting (top side) extended time non use before I got it 36yrs ago.Has done a lot of plowing and other hard work over the years with no issues. Just plants and bush hogs nowadays.
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john2189
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Joined: 11 Sep 2009
Location: Minerva,Ohio
Points: 290
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Posted: 11 Nov 2018 at 9:20pm |
 Ken in Texas wrote:
Is there a "How To Video" of the process? Cleaning rust and crud off gears and shafts first for sure. Are light Rust Pitted parts OK to reuse. |
if the pits are not too deep and you file them flush, I use them, i look at as more places for gear oil to be to help lube them.
John
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'41 Allis B
'45 Allis B
'49 Farmall Cub
'72 IH Cub
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Stan IL&TN
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Joined: 13 Sep 2009
Location: Elvis Land
Points: 6730
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Posted: 11 Nov 2018 at 9:27pm |
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Dad's WD45 had light rust on the gears and some pitting. I wire wheeled all I could get to then flushed out the compartment before refilling with clean oil. It works just fine and if there is more gear noise I sure can't tell. If it has any badly chipped or broken teeth then I would take it all apart and make it shine.
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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Ken in Texas
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Joined: 11 Sep 2009
Location: Henderson, TX
Points: 5919
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Posted: 12 Nov 2018 at 5:55am |
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Thanks all. I remember viewing DickLs link many years ago. I have a noisy 39 box I would like to make Whisper Quiet. A good rainy day project. I have 2 egg crates of Tranny guts to look for good replacement parts in if needed.
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Ken in Texas
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Joined: 11 Sep 2009
Location: Henderson, TX
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Posted: 12 Nov 2018 at 6:11am |
DickL When I and Gary restored B 751 we found the transaxle to be like new inside. Flushed it with diesel and filed it with Lucas. I did note this early B gear box casting was not like later ones . The filler plug was in a little different location. More on the side than in the corner. Was B 44 casting a little different like on B 751? Wish now I had a pic of this cast in difference.
Edited by Ken in Texas - 12 Nov 2018 at 6:13am
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5082
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Posted: 12 Nov 2018 at 11:06am |
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I haven't noticed a difference that I remember off hand other than the delete round core plug before hydraulic pumps. I have several different year transmissions laying around. I'll take some pictures if I remember when I am out and about. My short term memory is terrible. When I stop the think about it so is my short term memory.
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
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Posted: 12 Nov 2018 at 11:12am |
Ken in Texas wrote:
Thanks all. I remember viewing DickLs link many years ago. I have a noisy 39 box I would like to make Whisper Quiet. A good rainy day project. I have 2 egg crates of Tranny guts to look for good replacement parts in if needed. |
Shim for minimum back lash using a dial indicator. You would have to look up the minimum back lash. I don't remember it off hand.
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Dusty MI
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Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5053
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Posted: 12 Nov 2018 at 2:51pm |
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What's memory ?
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917 H, '48 G, '65 D-10 series III "Allis Express"
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Bill Long
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556
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Posted: 12 Nov 2018 at 4:01pm |
Ken, You are getting advice from one of the "finest mechanics I have never met" Dick L knows the B inside and out. Just remember if I can rebuild a transmission you sure can. However, in the 40's and 50's the B transmission - like the Hyd Pump was bulletproof. Had very little problem. Sometimes jockeys like myself went to show off shifting on the go and caused trouble but basically no problems. Like the B, very simple unit to work on Take good care of my favorite. Good Luck! Bill Long
ps: LOVE those B threads.
Edited by Bill Long - 12 Nov 2018 at 4:02pm
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