Farm Equipment - Engine differences B

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Engine differences B

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=108190
Printed Date: 11 Sep 2025 at 9:10am
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Topic: Engine differences B

Posted By: Hubnut
Subject: Engine differences B
Date Posted: 28 Jun 2015 at 4:24pm

I see on tractor data that 3 different engines were used in the B. I understand about the earlier ones, but what is the major difference between the latter two engine types in the B? The Tractor data says the break occurs near 1943. Thanks.

Replies:

Posted By: wbecker
Date Posted: 28 Jun 2015 at 7:39pm

They had a BE serial numbers till some time in 1942, then the serial numbers were CE from 61400 on.
BE was 116 cubic inch, CE 125.3 cubic inch.

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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152

Posted By: Ken in Texas
Date Posted: 07 Jul 2015 at 11:34am

Hub
Page 4 of Jensales parts manual AC P,B, C, only lists the BE and the CE prefix engimes used in Bs during regular production. The Waukewsha flat had 4 was the engine used in the first 97 0r so 1937 Bs built.
Are these the three you refer to as being used in the ?.
Other prefix engines like CR and R power unit engines will bolt in a B but not available as original factory equipment.