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WD Help

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=57378
Printed Date: 02 Sep 2025 at 11:37pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: WD Help
Posted By: Jim H(CO)
Subject: WD Help
Date Posted: 24 Sep 2012 at 6:06pm
Have finally had a chance to tear into my WD.  Fixed the governor with the help of a friend, but it sounds like I have a bad exhaust valve now.  I have a 3 bolt WD45 that I had intended to rebuild, but in an effort to get the WD running have decided to use it for parts until I have the money and time to fix the 45 right.  In that light, can I use the head and valves from the 45 and use it on the WD to get the WD running good again?  am planning on checking the pistons and sleeves once I get it apart, but since the WD sits outside figured it would be better to have the head ready to put back on, rather than waiting for a couple days while the shop grinds the original head.  Will then take the WD head and use it on the 45 when I am able to work on it again.  thanks for all the help.  Jim



Replies:
Posted By: Bill_MN
Date Posted: 26 Sep 2012 at 12:09am
yes, the WD/WD45 heads are interchangeable, in fact the later WDs began using the taller head that would eventually be used on the WD45 (with minor changes). I would put the WD45 head back on the WD45 when you get it running you'll be much happier

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1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow


Posted By: Glockhead SWMI
Date Posted: 26 Sep 2012 at 7:45am
depends on if that wd has a tall or the short head on it. If they are different you will need to change the pushrods and studs too.



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