Hydraulic failure on TO20

Mikejh · May 18, 2022

The hydraulic lift on my 1955 Ferguson TO20 failed suddenly. No previous indication of a problem. Fluid level is fine and recently replaced. Before I start tearing the system apart, does anyone have a clue to the problem?

Jerry/MT · May 18, 2022

Give us more info. How did it fail?

Tom H. · May 18, 2022

So it was working and now it isnt with no apparent reason? Often it is the control valve that is operated by the handle. If you open a side
cover either the handle one or the blank one. You can follow the fork down to the valve T and make sure it is seated. Occasionally they may
unseat from fork, more common is the valves thin rod just gives out after decades of work. I will post diagram so you can see.

Steve@Advance · May 18, 2022

If it's a 55 model it's not a TO20. totally different hydraulic system.

A TO20 has a flat dash, oil filter in the oil pan.

A TO30 has the air cleaner inlet through the dash, canister oil filter.

A TO35 has a curved dash, 2 shifters.

Tom H. · May 24, 2022

Any luck yet? Keep us posted.

Hydraulic failure on TO20

Mikejh

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Jerry/MT

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Tom H.

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Steve@Advance

Well-known Member

Tom H.

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