Farm Equipment - B engine serial number?

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B engine serial number?

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=152598
Printed Date: 29 May 2025 at 10:41pm
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Topic: B engine serial number?

Posted By: mdm1
Subject: B engine serial number?
Date Posted: 30 Jul 2018 at 8:29pm

The B I have has a tractor serial number B66187 which would make it a 1944. The engine serial number (taken off the flange below the gas tank) is CR46374GA. I cannot find any B engine number like that. What do I have? Would someone explain how to read the serial number? I know it has been discussed before. I have found the 46374 number to be in the range for a 1945 C. What do the CR and GA mean?

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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!