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hydraulic PTO winch on an auto?


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Chris, you need either an overcentre valve, or a counterbalance valve. Only one is needed because the load is always in one direction (the direction of the rope tension on the winch drum - if you push the rope. it won't cause the winch drum to rotate).

If you want to lower a load (eg. power out with the vehicle lowering), you should use an overcentre valve. If you only want to winch up a slope, then a counterbalance valve will do.

Do you need either of the above items if your winch is a worm drive (ie Superwinch H14)? becasue if its a worm drive, (in a lowering down a bank scenario) the force from the drum cannot back feed if a pipe bursts...

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Do you need either of the above items if your winch is a worm drive (ie Superwinch H14)? becasue if its a worm drive, (in a lowering down a bank scenario) the force from the drum cannot back feed if a pipe bursts...

I don't have any experience with the H14.

If the winch drum can't drive the worm or run away while powering out (lowering), and you don't need any other form of brake, then you will not need an overcentre or counterbalance valve.

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