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Farmall & IHC Tractors Discussion Forum
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Bull Pinion Seal Update

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PAULIH300

02-12-2005 12:44:13




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Changed the bull pinion seal and brakes (left side) on my 300U today.One thing I noticed,IH made a well for oil to catch in,and bored 2 holes for the oil to return to the gearcase.However,mine were plugged with crap oil,and the well was full of gunk.So every drop that leaked past the seal,made it to the brake.The seal was original NATIONAL with IH part #s,and looked to be a leathery material.The spring behind it was stretched out so it was doing no good at all.I hate to think all the other seals are original too.Especially the one behind the clutch.Makes me double think filling it with Hy Tran (when I drain the old oil out).

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TDK

02-12-2005 20:27:18




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 Re: Bull Pinion Seal Update in reply to PAULIH300, 02-12-2005 12:44:13  
The old seals were leather. If your tractor is like most, I'll bet that 95 % of the origonal seals are still in it and leaking too.



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PAULIH300

02-13-2005 03:42:11




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 Re: Bull Pinion Seal Update in reply to TDK, 02-12-2005 20:27:18  
As far as I can tell,thats the only seal thats leaking.Otherwise,there arent any drips underneath at all.But I can guarantee that the other brake is going to get replaced and that seal will be too.



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