Farm Equipment - AC pto bolts

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AC pto bolts

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=55344
Printed Date: 09 Sep 2025 at 6:34pm
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Topic: AC pto bolts

Posted By: AC 426 power
Subject: AC pto bolts
Date Posted: 16 Aug 2012 at 10:43am

What size are the bolts that hold the 540/1000 shaft in place? Thanks

Replies:

Posted By: AC200Puller
Date Posted: 16 Aug 2012 at 2:58pm

7/16x1 1/4

Posted By: DrAllis
Date Posted: 16 Aug 2012 at 6:08pm

GRADE EIGHT WITH NO WASHERS OF ANY KIND !!!!!!!!

Posted By: AC 426 power
Date Posted: 16 Aug 2012 at 7:51pm

I forgot to mention its a 7060 does this still apply?

Posted By: Amos
Date Posted: 16 Aug 2012 at 7:57pm

Why no washers, Dr? I have always used lock washers on mine.

Posted By: DrAllis
Date Posted: 16 Aug 2012 at 8:41pm

Lockwashers can and do break and when that happens, how tight is the bolt??