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Fixing up my Allis B

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Jay Tee View Drop Down
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Joined: 05 Jun 2025
Location: Maryland
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    Posted: 06 Jun 2025 at 10:36am
I just brought home a B that has lived a pretty hard life.  Some joker slapped a WD decal on there at some point - I'm not sure if it was for comedic effect.  I have no idea who manufactured the mower - it looks a lot more burly than the ones I've seen fitted to these small tractors in the past.

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Jay Tee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 10:39am
I bought it with the Marvel-Schebler TSX154 carburetor in bits - luckily I was able to rebuild it and get the tractor started so I could load it.


Edited by Jay Tee - 06 Jun 2025 at 10:48am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 10:43am
The big problems are
  • The governor doesn't do much if anything
  • The magneto has been hacked into some kind of points distributor
  • The cooling system leaks out of every hose and maybe even the water pump - hard to tell since there's so much coming out of it.

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Jay Tee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 10:44am
Governor problems...

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Jay Tee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 10:46am
This isn't my first Allis - I had a CA I regretfully sold 15 years ago. The difference between the CA and B is pretty amazing.
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 2:27pm
Where in Maryland are you? Anywhere close to Rocky Ridge? I have some things you may want to get things straightened out.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 7:30pm
Middletown area - just south west of you!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 7:43pm
PM sent with contact info. 
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2025 at 7:53pm
Removed mag and governor between rain storms...

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2025 at 10:24am
Dropped the governor housing off with a friend who has an amazing machine shop in his basement. He recoiled when I said I would just glue the pivot post in with JB weld.  In the meantime, the radiator needs help.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2025 at 10:25am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2025 at 7:37pm
I have an early non pressurized B radiator that may be fine as is, or at least need less work than yours.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 4:37pm
I gave up on that radiator - the core was full of leaks.  I found a reasonably priced new one which I just ordered.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 4:40pm
My machinist friend fixed the loose pivot post on the governor housing. I'm really pleased with the result!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 4:42pm
The engine serial number is CR 51181 PA - from what I can tell this is was from 1941.  The tractor serial number is from 1948, so it must have blown up and been replaced with the earlier one at some point.  I don't know what "CR" means - I thought the engine serial numbers began with either BE or CE
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Post Options Post Options   Thanks (1) Thanks(1)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 5 minutes ago at 6:32pm
Yes: The engine serial numbers BEGIN with BE,CE, R or CR, The CR engines were originally installed in Power units.  The ending letter(s) designates the compression ratio when it left the factory
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Tee Quote  Post ReplyReply Direct Link To This Post Posted: 20 hours 57 minutes ago at 7:40pm
Thank you!  That kind of info is a bit scarce - but at least I know this isn't the original engine!
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Phil48ACWC Quote  Post ReplyReply Direct Link To This Post Posted: 11 hours 18 minutes ago at 5:19am
I have a good hot spark FMJ Magneto if your interested. It came off my WC and has been totally gone through. Works great. $100 plus shipping. 

Edited by Phil48ACWC - 11 hours 17 minutes ago at 5:20am
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