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WD Carburetor Question

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=206144
Printed Date: 29 Apr 2025 at 9:53pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: WD Carburetor Question
Posted By: BryceBurden
Subject: WD Carburetor Question
Date Posted: 02 Apr 2025 at 8:51pm
As you all may remember, a couple months ago my girlfriend and I bought a pair of WDs to put back to work on our farm. Mine is an early 48 and hers is a 51. Both have Marvel Schebler carbs on them, but the carb on her 51 is much larger than the one on my 48. 

Was using the 51 to put out a couple round bales earlier and it started coughing and running rough, not surprising as it had sat for several years before we got it, and I knew it would eventually need some carb work. Started looking around for a number on it so I could get a kit ordered for it, and found that the tag is missing. Does anyone know of any other way to identify what carb I am dealing with here. Looks an awful lot like the carb used on a WD45 or an early D17, but want to make sure I order the right kit for it. Only other numbers I can find on it are 227 209 stamped in the flange where it bolts to the intake.

The carb in question is the same size body as a TSX-704 I have laying on the shelf in the shop if that helps narrow it down any. Not sure what the 704 even came off of, but thats an issue for another time LOL



 






Replies:
Posted By: steve(ill)
Date Posted: 02 Apr 2025 at 9:01pm
A "generic" kit would have all the gaskets and o-rings that you need.. The SPECIFIC kit is only needed if you are getting JETS or NEEDLES..... a kit for the TSX374 or 704 should fit...

This is the ORIGINAL carb that was on the WD..... yours is NOT original..






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Like them all, but love the "B"s.


Posted By: steve(ill)
Date Posted: 02 Apr 2025 at 10:19pm
maybe ?????? .... have you used a mirror to look on the BACK SIDE of the carb for number ?




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Like them all, but love the "B"s.


Posted By: jvin248
Date Posted: 02 Apr 2025 at 10:56pm
.

Exhaust markings on the manifold indicate the seals have deteriorated between the block and manifold. A seal kit for that is fairly inexpensive and can cause issues for air leaks.

I bought a harbor freight small ultrasonic cleaner $80ish, and it's really improved several carbs. Better than a rebuild unless something is broken.

Check the carb inlet screen for plugging and the glass bowl under the fuel tank. Sometimes corrosion chunks stop over the pipe into the tank.

.


Posted By: DrAllis
Date Posted: 03 Apr 2025 at 5:57am
Don't know what exact model that carb is, but a basic cheap kit for a WD-45/old D-17 will fit it. It is not a WD carb or WD manifold.



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