TO30 hydraulics

Rrutherford

New User
I just recently purchased a 1954 Ferguson and the hydraulics are not working. The last owner said they had started getting real slow before he parked it. I pulled the dipstick and there is water in the oil. How would the oil have gotten in there? What oil do I use?
 
Sitting out in the weather can allow water to get in, I used to
own three TO30 Ferguson tractors in years past, if it were
mine I?d drain it then put 90 weight oil back in, I believe I used
to put diesel fuel in first and run it around then drain the diesel
and fill back up with 90 wt mineral oil, you can get the oil at
TSC
 
Water in the transmission is very common. It gets in around a bad shifter boot and condensation.

Be sure to remove all the drain plugs, I think there are 3, common reservoir for trans, hyd, differential housing.

It will hold about 6 gallons. Originally it had 90 weight mineral oil. (Not gear oil!) Or 15w40 engine oil will work better for cold climate use. Save the containers, because if you have to go in to fix the hydraulics you can use then to save the new oil.

If the new oil doesn't fix the hydraulics, (and it probably won't), take the side covers off, start it up, tell it to lift with a load on the arms, or chain them down. Watch (but don't reach in!) what happens.

Oil streaming down from the cylinder is bad seals (dripping is normal). Oil swirling below is a bad relief valve. Slow and jerky lift is bad pump valves.

A shop manual would be a good investment before going in there.
 
How much water and what is the temperature where you live?
If there is a lot of water in there and it gets cold there, you may
find quite the nightmare inside. Like a frozen and shattered pump.
Especially if they tried to run it while frozen. This came out of my 35.

mvphoto33039.jpg
 

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