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WD Serial Number Location

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=122332
Printed Date: 17 Sep 2025 at 7:25am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: WD Serial Number Location
Posted By: cdweirrick
Subject: WD Serial Number Location
Date Posted: 23 Apr 2016 at 4:35pm
I have been trying to find where the serial number is located on my WD. I am total newbie when it comes to anything about this machine. I looked under the differential housing and found this number 200921. Not sure if it means anything other than a part number. Help Please! :)

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Grandpa's 1950 WD
1950 G



Replies:
Posted By: grinder220
Date Posted: 23 Apr 2016 at 6:31pm
Its directly to the left of differential cover just below left brake cover


Posted By: caledonian
Date Posted: 23 Apr 2016 at 7:17pm
Yep grinder220 has got the right spot. It will say wd then your # .


Posted By: DrAllis
Date Posted: 23 Apr 2016 at 7:21pm
That number would be to a WD45.


Posted By: CTuckerNWIL
Date Posted: 23 Apr 2016 at 8:40pm
Early WD had the tractor number stamped on the top of the housing to the right side of the left brake cover.
 http://wsmth.people.clemson.edu/images/SNWD452.jpg

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF


Posted By: cdweirrick
Date Posted: 23 Apr 2016 at 9:10pm
Thanks guys! Serial Number WD45089.

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Grandpa's 1950 WD
1950 G


Posted By: CTuckerNWIL
Date Posted: 24 Apr 2016 at 9:30am
1950 WD.

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF


Posted By: CTuckerNWIL
Date Posted: 24 Apr 2016 at 9:33am
Originally posted by DrAllis DrAllis wrote:

That number would be to a WD45.

"I looked under the differential housing and found this number 200921"



That would NOT be the tractor number.Probably a casting number


-------------
http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF


Posted By: cdweirrick
Date Posted: 25 Apr 2016 at 7:37am
Thanks for all your help. Grandpa had this tractor my entire life. So may great memories are surrounding that tractor. I want to take great care of it so maybe someday may kids and grandkids can say the same thing about it. 

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Grandpa's 1950 WD
1950 G



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