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IH Cub block, blatently commercial... (LONG)

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Bob

09-28-2005 21:42:06




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I am cleaning up the farmstead I inherited from my Uncle, and keeping the things that I am most likely to use "someday", and putting a lot of the rest on ebay.

I am familiar with most of the older IH stuff, but have never owned a Cub, or done any major work on one, so I'm lost here! (We have a shop, and do a lot of repair work for others on the farm.)

I came across a Cub block, stored up on a shelf for many years. Now, I know my Uncle never owned a Cub, so he must have picked the block up somewhere along the way.

It is a bare block, lightly rusted from storage, with the main caps in place, and all four pistons inserted in their bores, down to the piston rings, and lightly (I hope) stuck.

What I am wondering, is there any common problem that would have caused the block to be set aside many years ago, such as cracking between the cylinders, or between the valve seats? Any specifics I should double check before putting it up on ebay? If it is not cracked, and the bores will clean up at, say, .010", what would be a fair starting price?

The stamped number on the block is IMCUBM19186, the casting date code is 3.15.W, and the casting number is 251341R2.

Any thoughts or insights would be appreciated.

I hope the disclaimer at the top will prevent anyone whom this may offend from having to read it, and my appologies to the rest!

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El Toro

09-29-2005 09:16:28




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 Re: IH Cub block, blatently commercial... (LONG) in reply to Bob, 09-28-2005 21:42:06  
I would pour transmission fluid over those pistons and let them soak. I would also do as some have mentioned to get the block magna-fluxed.

To get an idea what your block is worth I would call a salvageyard and ask the price for a good C-60 block. Here's a website for salvageyards. Hal


http://www.epartdirect.com/index.php?t=fc&s=s



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George Willer

09-29-2005 08:01:32




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 Re: IH Cub block, blatently commercial... (LONG) in reply to Bob, 09-28-2005 21:42:06  
A serial number beginning with IMCUBM indicates a power unit... probably from either a combine or baler.

The same engine originally installed in a tractor would have a number beginning with FCUBM.



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Bob

09-29-2005 08:08:24




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 Re: IH Cub block, blatently commercial... (LONG) in reply to George Willer, 09-29-2005 08:01:32  
Thanks, George. Now that is the kind of information I was looking for. Would this block serve as a replacement for a tractor block, or are there differences?



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George Willer

09-29-2005 09:04:33




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 Re: IH Cub block, blatently commercial... (LONG) in reply to Bob, 09-29-2005 08:08:24  
They make very good replacements. I have them in two of my Cubs. The differences don't interfere with using them, and are not visible externally, except for the serial number. They are built to run constantly at higher RPM... so the crankshaft and possibly rods are made better as well as having a governor capable of running faster.

A friend had one in his Cub with the governor set up even faster... I checked his high idle governed RPM at over 3000!

George Willer

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RustyFarmall

09-29-2005 04:35:51




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 Re: IH Cub block, blatently commercial... (LONG) in reply to Bob, 09-28-2005 21:42:06  
I believe that same C-60 engine was also used as the power plant on some pull type combines, hay balers, etc. Might be that's where it came from, since you don't remember your uncle ever owning a Cub.



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Bob

09-29-2005 05:50:03




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 Re: IH Cub block, blatently commercial... (LONG) in reply to RustyFarmall, 09-29-2005 04:35:51  
I'm thinking since the serial number starts with IMCUBM, it was a cub, or would the power units have "CUB" in the serial number, too?



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Nebraska Cowman

09-29-2005 02:26:01




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 Re: IH Cub block, blatently commercial... (LONG) in reply to Bob, 09-28-2005 21:42:06  
I'd take it in and have it magnifluxed, that way you know for sure if it is good. Then put it on ebay. I start all my sales at a buck. The buyers will tell you what it's worth.



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