How do excavators work?

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How does hydraulic pressure get from the hydraulic pump, through the turret (which freely spins in any direction), down to the final drives?

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Anonymous 0 Comments

To get to the tracks, the hydraulic fluid passes through a device called a rotary manifold.
Hydraulic hose go to one side of the manifold which is fixed to the turret, and hoses for the drives are on the other side, which is free to rotate 360 degrees continuously.

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