Farm Equipment - B pto shaft

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B pto shaft

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=200347
Printed Date: 04 Dec 2024 at 6:27am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: B pto shaft

Posted By: john2189
Subject: B pto shaft
Date Posted: 16 Mar 2024 at 4:25pm

My 41/42 B ( depending on what chart you use) has the small pto shaft spline. What year did they change to the bigger shaft?
John

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'41 Allis B
'45 Allis B
'49 Farmall Cub
'72 IH Cub

Replies:

Posted By: steve(ill)
Date Posted: 16 Mar 2024 at 4:44pm

My 40 and 42 both had the 1-1/8 shafts... My 44 and 48 both have the 1-3/8 shafts.

I used an adaptor on the 1940 to get to 1-3/8 size to fit the drive shaft.

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Like them all, but love the "B"s.