SA left differential shaft

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Gerry Powell
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SA left differential shaft

Postby Gerry Powell » Fri Jun 11, 2010 4:15 pm

I was wondering if anyone could comment on this differential shaft; is this gear that drives the bull gear worn quite a bit or is this the way they should look? I thought this gear was worn so I bought a replacement take-off and it looks the same. So now I'm trying to decide if I have two worn gears or two good gears. I rebuild windmills that have a similar small gear driving a bull gear and when the small gear teeth mating surface get looking like this and pointy, that's when they're wore out. When you have a small gear driving a big gear, the small gear will wear out first.

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Re: SA left differential shaft

Postby mikeintn » Sat Jun 12, 2010 7:38 am

I would say it looks normal it me, worn, but not worn out. my 2 cents :D

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Re: SA left differential shaft

Postby JC-Cub » Tue Jun 22, 2010 3:34 pm

I agree with mmo the gear still has the flat on top of each gear and look ok to use . May have some wear but that is normal.
Good luck with the either shaft.

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Re: SA left differential shaft

Postby FarmerJ » Wed Jun 23, 2010 7:09 am

There is nothing wrong with your gear,normal wear.

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