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Farmall & IHC Tractors Discussion Forum
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U block on a B tractor

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rob

12-04-2003 15:14:19




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I have a FAB, sort of. Somewhere, someone switched the block to a U. I just pulled the oil pan off and found that the cam has a lobe that corresponds to a plate on the outside of the block. The plate is below and to the rear of the magneto. The hole that it covers is about 1 1/4" wide. What was this hole for? Can you think of any other surprises that I might encounter as I get her running again? Thanks for your help.

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gene b

12-05-2003 02:36:02




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 Re: U block on a B tractor in reply to rob, 12-04-2003 15:14:19  
Yes that is for a fuel pump and there is a lobe on the cam for one. The cams for the 113 and 123 engines all have a lobe for a fuel pump.



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Kevin In Michigan

12-04-2003 17:59:19




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 Re: U block on a B tractor in reply to rob, 12-04-2003 15:14:19  
The block is from a power unit. These motors were setup for fuel pumps when needed. You should also see that the block is cut out for a starter. NOt sure about the next statement being my BN is also running a power unit motor but I belive the front casting of the block requires some rework for the steering shaft. Mine was installed when I received the tractor but really there was no differance when rebuild the motor once I new the bore was 3" and the stroke was 4"

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old

12-04-2003 16:19:19




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 Re: U block on a B tractor in reply to rob, 12-04-2003 15:14:19  
This is just a guess, could it be for a fuel pump, I know some tractors have them and some don't but the engines still have a place for them even when they are not needed.



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