Condensation In Farmall M Rear End

Bob F · Oct 24, 2008

I replaced the oil in my M's rearend this summer and already have condensation in the new oil. Is there a way to stop this ?

Thanks Bob F

rustyfarmall · Oct 24, 2008

Probably the only to completely prevent it would be to park the M in a climate controlled building.

Anonymous-0 · Oct 24, 2008

Put it to work.

Glenn

mkirsch · Oct 24, 2008

If the tractor sits outside, then it's not condensation, it's rain water.

Put a tarp over the tractor, or find a shed to park it in.

Anonymous-0 · Oct 24, 2008

There isnt any breather holes for air to get in so where do you think the condensation comes from. You must let it set in the rain as water will seep down the shifter lever and can seep around the bolts holding the top of the tranny on but no way for outside air torealy get in to cause condensation.

TomH in PA · Oct 24, 2008

Plenty of air can get in around the shifter, etc. Changes in temperature will cause air to be drawn in or pushed out, so condensation can form even it it's stored under cover.

You might be able to drain some of the water out by loosening up the drain plug after the tractor's been sitting for a while. Or as was mentioned, use it hard occasionally to heat it up and drive off the water.

Andy Motteberg · Oct 24, 2008

Does your tractor sit outside? Water can get in around the shifter or transmission cover bolts. When you drained the transmission, did you make sure it all got drained out good?

ScottyHOMeY · Oct 24, 2008

Was it just a drain and fill last summer? That as opposed to an open up and scrub her out? If so, I'd just say that you've got old sludge mixing in with your new oil. A few months with clean oil in a clean tranny case, in the absence of extreme heating and cooling in high humidity, would be a very short time to get enough condensation to notice.

Then there's the possibility, if it's left outdoors, of water splashing under or running down the shifter, in which case a pail over the shifter when it's left outdoors would help a lot.

If it's bad enough that you think you want to drain and refill once more, and if it were mine, I'd drain about half or two-thirds out of it and refill to full with kerosene or diesel and give her a good warm run to loosen up and float as much soft sludge as could, drain that while still warm and then refill.

The guy at the local garage with the waste oil heater will love you.

Anonymous-0 · Oct 24, 2008

Make sure you get the plug on the frontside of the transmission too when you drain. That is easy to forget.

Hugh MacKay · Oct 25, 2008

Bob: On my Farmall 130, I took two 6"x6" pieces of real heavy inner tube, laid one on top of the other. Using a 3/8 leather type punch, I made a hole in the middle. I slid the two layers down the shift lever to spring, and applied some epoxy around where rubber made contact with the lever. This acts like a canopy that sheds any rain water. That will deal with rain water.

My other tractors rarely set out in rain, however I always put a 5 gal pail down over shift lever. In fact if I only had one container and and it looked like rain, I'd cover the shift lever rather than the exhaust.

If you problem is nothing more than condensation. This was never a problem when these tractors were being worked. Transmission-rear end gets hot enough on a long day to evaporate any condensation.

Condensation In Farmall M Rear End

Bob F

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rustyfarmall

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Anonymous-0

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mkirsch

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Anonymous-0

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TomH in PA

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Andy Motteberg

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ScottyHOMeY

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Anonymous-0

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Hugh MacKay

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