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Power Unit Help

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Rickm View Drop Down
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Joined: 18 Apr 2010
Location: New York
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Topic: Power Unit Help
    Posted: 18 Apr 2010 at 7:48pm
I'm in need of some assitance.... I'm trying to help out a guy I know who owns a sawmill with an Allis power unit that operates it. Neither of us really know what size this engine is. There is an ID tag on the clutch housing that says PU 22959, and it has 4-17 cast into the block. The manifold has rusted out and we are trying to either buy or build one.
Can anyone tell me what size this engine is, and a good place to buy a manifold? The manifold has the number AM2821-1 on it. Thanks for any assistance you can offer. 
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dadsdozerhd5b View Drop Down
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Joined: 27 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dadsdozerhd5b Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 2010 at 7:57pm
post a picture or two would help. as they say, a picture us worth a thousand words.
HD5B, HD5G, (2) FARMALL A's, CUB. DO IT RIGHT THE FIRST TIME, IGNORE THE LAUGHTER. FLANNEL IS ALWAYS IN STYLE.
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Rickm View Drop Down
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Joined: 18 Apr 2010
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 2010 at 8:19pm
I don't have any pictures here. I'll have to see if I can get some the next time I'm over there. It's a big 4  cyl. I'd say about 5' long from the radiator to the clutch. Definitly old. It has a hand crank and starter.
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Rickm View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 8:44am

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Rickm View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 8:45am
Here is a pic with the manifold removed. Any ideas? 
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GlenninPA View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GlenninPA Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 9:22am
From the diamond on the radiator support, I'd say Fred Lucabaugh would be able to give you a hint,or some help.
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Rickm View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 11:24am
Here is a picture of the manifold.

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Good View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Good Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 12:37pm
Looks like A "UM" engine they were used in u,uc and m crawler and if it is you can still get manifolds.
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Good View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Good Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 12:42pm
If you post this on farm equipment category those guys will tell you everything you need to know.
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Fred in Pa View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fred in Pa Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 1:26pm
UM Engine same as Later U's , UC , M Crawler . . What is the U-40 power unit. Ding Ding Ding .
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Rickm View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rickm Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2010 at 2:38pm
So, it's a U-40 Power unit? 40hp? Thanks a lot for the help. I'll also go to the farm equipment section and ask them. I wasn't sure which section I should use. 
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