wd rocker arm shaft broke
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=182776
Printed Date: 24 Jul 2025 at 1:55pm
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Topic: wd rocker arm shaft broke
Posted By: markw
Subject: wd rocker arm shaft broke
Date Posted: 24 Aug 2021 at 11:59am
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is wc wd45 rocker arm assembly the same as wd. my shaft broke 2nd time looking for parts. why is this happening
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Replies:
Posted By: DaveSB
Date Posted: 24 Aug 2021 at 4:42pm
Never heard of the shaft breaking, the stands and the arms yes, but not the shaft.
Is it getting oil to it? Are plugs in the end of shaft good?
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1948 C, 1953 CA, 1948 WD, 1961 D-17 Series 2 Diesel, 1939 WC, 1957 D14
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Posted By: plummerscarin
Date Posted: 24 Aug 2021 at 4:52pm
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Perhaps you should lay a straight edge across the head where the stands attach and check the stands themselves to assure they are all the same height?
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Posted By: Boss Man
Date Posted: 24 Aug 2021 at 5:12pm
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Twice would mean somethings wrong. Are the stands all the same height? Are they evenly torqued? Getting oil?
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Posted By: allisbred
Date Posted: 24 Aug 2021 at 5:21pm
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Stuck valve? Hard to beak a shaft. Should be easy to check oil when running at idle, only drips flying around without valve cover.
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Posted By: allisbred
Date Posted: 24 Aug 2021 at 5:44pm
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Wanted to point out why I mentioned a sticking valve. Few years ago i bought a barely running wd-45. After replacing the manifold due to several issues and ignition change, cold checking valve gaps, I still had a miss when hot. I popped the valve cover when hot to recheck and my readings were moving. (Shaft had extreme wear and needed replaced when I opened the first time because the oil line was not placed in shaft hole from the PO rebuild). Anyway, I was surprised of the readings were changing reducing valve clearance so I started putting some MM oil in the gas efforts to add lubricant to the valve guides. That was 3 years ago and tractor runs great, and gets used hard.
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Posted By: MACK
Date Posted: 24 Aug 2021 at 9:31pm
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If it is breaking the outer end off, I would say you have a valve hitting piston or a spring that is bottoming out. MACK
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Posted By: Lon(MN)
Date Posted: 25 Aug 2021 at 5:57am
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WC and WD45 are not the same. I have many assemblies on the shelf. email is best lselkriver@gmail.com
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Posted By: Fred in Pa
Date Posted: 25 Aug 2021 at 11:49am
It will take one strong @$$ push rod that will not bend to break off a rocker shaft !!!
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He who dies with the most toys is,
nonetheless ,still dead.
If all else fails ,Read all that is PRINTED.
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