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Osage_Orange 
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Joined: 11 Sep 2009
Location: SW MO
Points: 1593
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 Topic: WD Head
Posted: 23 Jun 2010 at 11:24am |
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Are all heads for WD's interchangeable? I want to pick up a spare to rebuild in advance of overhauling the engine this fall. I called a local salvage yard and they asked for the head casting number. I cannot find one. The head is 4" tall and the engine serial # is "WD350496PA".
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Why is there never time to do it right the first time, but always time to go back and fix it?
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22823
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Posted: 23 Jun 2010 at 1:20pm |
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WC's and WD's should all be the same I believe. I'm sure the WD45 head will bolt up too.
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Osage_Orange
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Joined: 11 Sep 2009
Location: SW MO
Points: 1593
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Posted: 23 Jun 2010 at 2:07pm |
I'm presuming the 45 would have longer push rods (since the head is 4-1/2" tall). If so, and I were to get them also, would the 45 match bolt holes, water passages, etc.?
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Why is there never time to do it right the first time, but always time to go back and fix it?
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Good
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Joined: 05 Apr 2010
Location: Logansport IN
Points: 453
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Posted: 23 Jun 2010 at 2:24pm |
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The push rods are the same the difference is in the rocker arm stands were it's bolted to head. You will need head bolts and studs from tall head and rocker set to use one.
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Don(MO)
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Joined: 12 Sep 2009
Location: Bates City MO.
Points: 6862
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Posted: 23 Jun 2010 at 3:44pm |
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I'm with "Good" on the WD45 head change, The push rods are the same in a WD and the WD45. One more thing you will need is the WD45 valve cover. Don
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Brian G. NY
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Joined: 12 Sep 2009
Location: 12194
Points: 2244
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Posted: 23 Jun 2010 at 7:26pm |
Osage,
Your 4" head is the same as the WD-45. The "tall" (4") head was introduced on WDs with ENGINE Ser. #WD289001. The WC and early WD "short" head is 3" tall. So.......your best bet is to buy a late WD or WD-45 head to match the one you have.
No need for different rocker stands or valve cover.
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Osage_Orange
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Joined: 11 Sep 2009
Location: SW MO
Points: 1593
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Posted: 23 Jun 2010 at 10:37pm |
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Thanks to all for the info. When it gets cooler, I'll get over the salvage yard and pick one out.
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Why is there never time to do it right the first time, but always time to go back and fix it?
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