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1940 B PTO

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=136195
Printed Date: 07 Nov 2025 at 10:51pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 1940 B PTO
Posted By: Jim-Ohio
Subject: 1940 B PTO
Date Posted: 14 Mar 2017 at 11:14am
Were there B's that didn't have a PTO? If so is it possible to add a PTO, and what would it take to get it done?

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'61D17, '51WD, '51CA, '41C, '49C, Woods 5'&6'Mower, 6'Blade, CA-Plow, CA-Cultivator, 3-Btm snap-coupler plow, 4-row planter, WD 4-row cultivator, 80R mower,#7 mower,B/C mower



Replies:
Posted By: Butch(OH)
Date Posted: 14 Mar 2017 at 11:20am
Yes quite a few of the earlier ones had a block off plate where the PTO attaches. All B's have the PTO drive stub shaft and installing a PTO is as easy as obtaining the unit and a hand full of bolts. The onlt (slight) difficulty is you have to be certain the shifting collar installs correctly. The PTOs are available with or without the hydraulic pump, good time to make that upgrade also.


Posted By: Bill Long
Date Posted: 14 Mar 2017 at 4:14pm
In fact, all B's and C's new came through without PTO or Hydraulics.  That was installed at the dealership.   It was my job for quite a while.
You may want to get a PTO with a 1 3/8" drive since the very early PTO's were 1 1/8"
The larger PTO fits many more units.  Best to do when new.
Also, as suggested above might as well install a hyd pump too.  Will save a lot of time later.
Take good care of my favorite.
Good Luck!
Bill Long



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