Farm Equipment - D-12 III PTO

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D-12 III 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=212091
Printed Date: 17 Sep 2026 at 1:38pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: D-12 III PTO

Posted By: Marlyn nwia
Subject: D-12 III PTO
Date Posted: 26 Aug 2026 at 7:17pm

What drives the PTO on a D-12 III to make it "live" grated disk pressed togather?

Replies:

Posted By: steve(ill)
Date Posted: 26 Aug 2026 at 7:43pm

some reading in the 2nd post...

https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=ac&th=61547" rel="nofollow - https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=ac&th=61547

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

Posted By: TimNearFortWorth
Date Posted: 26 Aug 2026 at 9:26pm

Just remember those little A-C's with live pto do not handle shock loads well between the hollow quill shaft and small bushing at the rear, not like a bigger tractor can.

Posted By: PaulB
Date Posted: 27 Aug 2026 at 6:59am

I've encountered a few ruined flywheels in D10/12 series II & III tractors from being used brush-hogging. For that type use with a small tractor, a CA would be a better choice.

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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY