Farmall A rear end leaking

colinguetter · Jul 29, 2018

I have a farmall a that runs and drives great . I notice a leak on the ground and looked at the bottom of the rear end and found a hole in the casting on the very bottom right side of the differential . It looks like the casting has a depression in it like the hole is supposed to be there but there is no plug or threads in the hole. What is supposed to hold the oil in?

Bob · Jul 30, 2018

My GUESS is that you found the "drain" for the brake area (which should be oil-free), and that a seal on either side of the brakes is leaking, either "rear end oil", or "final drive oil".

gene bender · Jul 30, 2018

That hole does not have any threads you seal on the transmission is leaking and needs replacing if you want to stop the leak

colinguetter · Jul 30, 2018

Here is a few pictures of the hole . It's on the right side of the rear differtial .

colinguetter · Jul 30, 2018

rustybronco · Jul 30, 2018

It's the differential seal that's leaking.

Farmall A rear end leaking

colinguetter

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Bob

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gene bender

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colinguetter

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colinguetter

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rustybronco

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