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Cub rear main seal

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Bob Melusky

09-06-2004 10:03:19




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When I rebuilt my tractor engine, I bought a gasket kit that included the rear main seal. When I assembled the engine, the seal was a loose fit around the crank. I tried to find a seal listing at the time, but had to buy another complete set with no assurances that the seal would fit any better.

When I ran the engine, I found the tractor would leak at idle, but with higher RPMs the oil would stop leaking. Since I use it with a Danco/IH 60" belly mower, I use everything the it has and do not spend any time at idle except to shut it down.

Now I see from TM tractor parts there is a R1 and an R2 seal. Could this be the problem? That I was supplied the seal for the housing/crank that I DON'T have?

Thanks in advance.
Bob

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Bigdog

09-06-2004 16:30:06




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 Re: Cub rear main seal in reply to Bob Melusky, 09-06-2004 10:03:19  
There is a few thousandths difference in the diameter of the R1 & R2 seals. However, I don't think the R1 is available. Also, if that surface was turned down, the seal will not fit as tight. You could try removing the spring from inside the seal and shortening it by a coil or two to try to snug it up.



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