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Farmall & IHC Tractors Discussion Forum

rear main seal for 450 diesel

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P I Pete

04-15-2019 13:08:25

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I have a friend looking for a rear main seal for a 1957 450 diesel local dealers can't find one. Seal part #271794R91
retainer (2 pc.) part #'s 271792 and 271793 any one know of a place would be appreciated.


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jim warehime

04-16-2019 02:12:59

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 Re: rear main seal for 450 diesel in reply to P I Pete, 04-15-2019 13:08:25  
NO LONGER AVAILABLE,NO REMAINING INVENTORY. not in production, a few places have considered having them made but noone has followed thru, so until someone decides to make them i wouldnt suggest tearing the engine apart unless you want to swap the crank and rear retainer plates for the early 400/super md crank and felt seals.

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04-16-2019 06:26:07

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 Re: rear main seal for 450 diesel in reply to jim warehime, 04-16-2019 02:12:59  
I had heard that the 400,seal was different, but now i know it for sure!

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D Slater

04-16-2019 13:11:48

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 Re: rear main seal for 450 diesel in reply to FastFarmall, 04-16-2019 06:26:07  
Notice he said early 400D. Both types were used in a 400D. Starting engine serial number break 13482 in a F-400D with later seal.

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caterpillar guy

04-15-2019 19:31:29

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 Re: rear main seal for 450 diesel in reply to P I Pete, 04-15-2019 13:08:25  
Bates corp in IN J.P. Tractor Salvage in Fredricktown MO both may have it for you.

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