How to ID S/N
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=50263
Printed Date: 21 Aug 2025 at 8:40pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: How to ID S/N
Posted By: maddox_kid
Subject: How to ID S/N
Date Posted: 08 May 2012 at 7:10pm
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Can anyone tell me where to locate the s/n on a vintage AC tractor. I have located the tractor no in the area of the gear shift. Do not know model or year.
Thx
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Replies:
Posted By: CTuckerNWIL
Date Posted: 08 May 2012 at 7:14pm
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If you found a number stamped near the gear shift where it says Tractor Number you have found the serial number and it starts with the model . B12345 is a model B, C12345 is a model C, etc.
------------- 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: 08 May 2012 at 7:22pm
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You can find the year of production here, just be aware the number listed for the early tractors thru 1957 is the last tractor of the year:
http://www.allischalmers.com/serials.html" rel="nofollow - http://www.allischalmers.com/serials.html The engine should have a different serial number and will most likely be stamped on the left rear flange where it bolts up to the bell housing. ------------- 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: maddox_kid
Date Posted: 08 May 2012 at 7:45pm
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All,
Thanks for the prompt replies; but, the tractor no I wrote down does not contain a letter only the numbers 3125026. I will verify.
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Posted By: CTuckerNWIL
Date Posted: 08 May 2012 at 8:01pm
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Wire brush it off good and take another look. B125026 is a 1955 model B. Post a picture here for us to look at. We like pictures  There were 3 models that had a tractor number stamped by the shifter, none had a serial number that goes to 3125026. I'm sure the first stamp is a B.
------------- 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: FloydKS
Date Posted: 08 May 2012 at 8:02pm
| What model of 'vintage' tractor do you have... that will influence where the numbers will be. |
Posted By: CTuckerNWIL
Date Posted: 08 May 2012 at 8:07pm
He says he located the Tractor Number by the shifter so it is a B,C or CA and with the number he just posted I believe ha has a 1955 B. ------------- 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 |
FloydKS wrote:Posted By: dave63
Date Posted: 08 May 2012 at 8:35pm
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What part of MD are you from? If your in Carroll or Balt. Co i may be able to take a look at it for you. ------------- The universal answer to all questions is yes, how much do you want to spend? |
Posted By: maddox_kid
Date Posted: 09 May 2012 at 6:15am
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All,
Thanks again. I will verify tractor no. BTW, I am originally from Maddox, MD in St. Mary's Co; but, now live in Charles.
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Posted By: Steve in NJ
Date Posted: 09 May 2012 at 6:52am
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Your first number 3 is probably a "B" as Tuck said. Give r' a good cleanin' with a wire brush...
mailto:Steve@B&B" rel="nofollow - Steve@B&B
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