Farm Equipment - wd head bolt

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wd head bolt

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=37723
Printed Date: 22 Aug 2025 at 4:38am
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Topic: wd head bolt

Posted By: TREVMAN
Subject: wd head bolt
Date Posted: 22 Sep 2011 at 10:00am

One of my head bolts is a block heater element that I am sure is gonna leak. It is on the back corner of the engine, anybody have a head bolt they can sell me, or can i get away with a grade 5 or 8 ready rod in there. thanks in advance, Trev.

Replies:

Posted By: Steve M C/IL
Date Posted: 22 Sep 2011 at 9:21pm

My WD45 has a few GR 5 and others unmarked for head bolts. I think it came that way but I have only owned it since 81. They only torque 65lbs so a GR 5 1/2-13 should handle it.

Posted By: TREVMAN
Date Posted: 25 Sep 2011 at 8:39pm

Thanks Steve. Since it is a WD and not a 45, head pressures should be less, so I'll go with grade 5, Trev.