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D-10 and D-12 Serial and Series

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=146530
Printed Date: 19 Jul 2025 at 1:07am
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Topic: D-10 and D-12 Serial and Series
Posted By: Gary
Subject: D-10 and D-12 Serial and Series
Date Posted: 17 Jan 2018 at 7:40am
Every once in a while a question comes up relating to a D-10 or D-12 Year, Serial No. or Series.

So I decided to make up a little chart to show the 1st Serial Number for each year, and the 1st Serial Number for each Series.

Feel free to print it off and pin it up where ever for a quick reference.

Gary


D-10 and D-12           Serial and          Series
                    
D-10          Year          D-12
1001          1st 1959          1001
1950          1st 1960          1950
2801          1st 1961          2801
3501          1st Ser. II          3001
4511          1st 1962          3638
6801          1st 1963          5501
7675          1st 1964          6012
          1st Ser. III          9001
8204          1st 1965          9192
9001          1st Ser. III          
9486          1st 1966          9508
9795          1st 1967          9830
10,100          approx.last          10,095
                    
G. Soper          Jan., 2018          



Replies:
Posted By: Ted in NE-OH
Date Posted: 17 Jan 2018 at 7:53pm
I have an I-400 that does not have a tractor serial number. The Engine serial number is 
12-7620-R. Since The I-400 is very similar to D-12 , any idea of the year based on engine serial number?


-------------
CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914


Posted By: Gary
Date Posted: 18 Jan 2018 at 6:10am

Per 'Tractor Data' I400 were built in 1966, 67, and 1968.

Gary

http://www.tractordata.com/industrial-tractors/000/1/7/173-allis-chalmers-i400.html" rel="nofollow - http://www.tractordata.com/industrial-tractors/000/1/7/173-allis-chalmers-i400.html


Posted By: DiyDave
Date Posted: 18 Jan 2018 at 7:28pm
Originally posted by Ted in NE-OH Ted in NE-OH wrote:

I have an I-400 that does not have a tractor serial number. The Engine serial number is 
12-7620-R. Since The I-400 is very similar to D-12 , any idea of the year based on engine serial number?

I-400 should be based on series III D-10/12...



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