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Mossman42 
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Joined: 29 Aug 2018
Location: Indiana
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 Topic: WD 45 Block
Posted: 29 Aug 2018 at 6:23pm |
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Hello all, I have a couple questions to ask if you guys. First off, I am currently restoring a 54 wd45 and I have the engine tore apart and down to the bare block. I have cracks on the tip of the deck where the liners seat. So I asked a machine shop if they could fix it. They didn’t seem to want the job and wouldn’t garuantee a fix. So now I am searching for a new block. Is there anywhere you guys could lead me to find a block that isn’t cracked or just in good shape?
Second, I was wondering if these cracks on top were a common thing for these wd45 tractors.
Thank you guys for the help.
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DougS
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Posted: 29 Aug 2018 at 6:37pm |
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I've heard those cracks are normal. You can use the block off a WD with a tall head, but you never know if it won't have cracks of its own.
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dawntreader74
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Posted: 29 Aug 2018 at 8:14pm |
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some 15 years ago i cleaned the cyl's good an put it back together put J-B weld in them little cracks put head gasket on an the head an titened it down; never had a problem after that. plowed with it many times. left it set over night before i put any water;
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Sugarmaker
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Posted: 29 Aug 2018 at 8:15pm |
Welcome Mossman42, You might want to take some good pictures of the cracks and post them or have folks like Don(MO) look at them. You might be ok? Good luck on your rebuild. You don't have another 45 block setting in the corner? Humm thought everyone did!:) There are engines out there, Just need to find one close to home. Regards, Chris
Edited by Sugarmaker - 29 Aug 2018 at 8:16pm
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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WF owner
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Posted: 29 Aug 2018 at 8:30pm |
Many of them have small cracks in between the cylinders. The head gasket (with sealer applied) tends to seal them up. I don't think you will have a problem. If, on the other hand, you have cracks at the bottom, your block will probably be no good.
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garden_guy
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Posted: 29 Aug 2018 at 8:31pm |
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Yeah, would love to see the pics of these cracks. Seems like many an old block has been salvaged. Surprised a machine shop wouldn't want to work on it. Seems like cracks in the webbing on these old blocks is kind of common.
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dawntreader74
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Posted: 29 Aug 2018 at 8:45pm |
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if the sleeves will clean up' leave them alone' seal the top before the gasket'
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DSeries4
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Posted: 29 Aug 2018 at 8:49pm |
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Cracks at the top of the block are acceptable - not the bottom. I had a D14 engine rebuilt with the cracks up top and it has never caused any problems.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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HudCo
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Posted: 29 Aug 2018 at 11:01pm |
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if dont intend on pulling the sleaves , bolt them down before you hone or work on cleaning them up so as not to take a chance of messing up the old crusty o rings and end up with water in the oil down the road
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DrAllis
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Posted: 30 Aug 2018 at 7:26am |
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A restoration project ?? If it is cracked in all three places on the top deck surface, I wouldn't even consider reusing it for a tractor you are spending some $$$$$$$$$$$$ on.
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Alvin M
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Posted: 30 Aug 2018 at 9:28am |
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If It Is Cracked At Top Between Sleeves that Is Normal . I Built Pulling Engines With The Cracks .If you Find One Not Cracked Let Me know
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Don(MO)
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Posted: 31 Aug 2018 at 8:05am |
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I have rebuilt WD/WD45 tractors with one or even two cracks in the top of block like most of the guys out there but and it's a big but not if the cracks run down the block or if all three cly are cracked. I like to just find a good block and with around 84,000 WD45 gas engines built over it's run I have no trouble finding a good one.
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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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Mossman42
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Posted: 31 Aug 2018 at 3:22pm |
Here are the pictures. From front to back between cylinder 1 and 2 is the worst cause it is cracked all the way around. The other two are hairlines that have started.  
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Mossman42
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Posted: 31 Aug 2018 at 3:29pm |
I’m not very good uploading these pictures.  
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Mossman42
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Posted: 31 Aug 2018 at 3:33pm |
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It won’t let me post the other pictures of the other cylinders. But they are very small and not near as bad as the one that I showed the pictures of. Both of them each are about a 1/4 in crack
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Sugarmaker
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Posted: 31 Aug 2018 at 7:45pm |
The pictures will help folks that know more than me, guide you in next steps with your block. Do you have any cracks at the bottom of the sleeves? Mine had similar cracks at the top and also corresponding cracks at the bottom. It now sets in the junk pile! :( Hoping my second block gets through magnaflux. There were no visible cracks in the second block. Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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JC-WI
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Posted: 31 Aug 2018 at 8:06pm |
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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Mossman42
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Posted: 31 Aug 2018 at 8:18pm |
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The bottom end looks fine, I didn’t see anything wrong with it. It’s just the top on the deck that has the cracks
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MACK
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Posted: 31 Aug 2018 at 9:28pm |
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Put it together and forget it. MACK
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Mossman42
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Posted: 01 Sep 2018 at 11:10am |
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Thank you guys for all the info. You guys were pretty quick to respond to this and I thank you. I’ve got a tractor show here in elnora I’m going to go to and see if any vendors have anything I could use. If not I think I’m just going to resort to plan B and doctor the cracks myself. Thank you all.
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DrAllis
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Posted: 01 Sep 2018 at 11:22am |
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The nice thing about those cracks is this.......they haven't spread apart and the deck surface appears to still be flat.
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Bill_MN
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Posted: 01 Sep 2018 at 2:24pm |
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do not...I repeat...do NOT "doctor" those cracks in any way, you just run the risk of making them worse and turning a usable block into junk. Those cracks are about as tight and smooth as can be, put it back together normally and forget it
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1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow
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CTuckerNWIL
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Posted: 01 Sep 2018 at 6:48pm |
 Bill_MN wrote:
do not...I repeat...do NOT "doctor" those cracks in any way, you just run the risk of making them worse and turning a usable block into junk. Those cracks are about as tight and smooth as can be, put it back together normally and forget it
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I second this! LEAVE it be.
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JC-WI
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Posted: 01 Sep 2018 at 10:04pm |
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I third that motion, just make sure your lands are absolute clean of anything when setting the sleeves back in.
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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CTuckerNWIL
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Posted: 02 Sep 2018 at 8:28am |
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When putting the sleeves back in, put them in without the O-rings first and make sure they fit freely and turn 360. Then check stand out of the shoulder.
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Mossman42
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Posted: 03 Sep 2018 at 7:09pm |
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I practiced nickel welding on a piece of cast iron. Glad I didn’t do that on the block haha! Got the cast real hot prior to welding, still cracked. So doctoring is out for me
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