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This article is about an older version of DF.
Vertical axle


Materials Jobs

Uses 1 power per tile.

Horizontal axle


Materials Jobs

Uses 1 power per tile.

Axles are used to transmit power from a windmill or water wheel to a pump or millstone. There are two types: vertical axles move power between z-levels, while horizontal axles move it around within a given level. Axles consume 1 unit of power per tile.

For a basic overview of how the different machine parts work and work together, see machine component.


Axles are constructed via the machine components screen: b-M-h for horizontal, b-M-v for vertical. Changing direction requires a gear assembly at the corner between two perpendicular axles.

Horizontal axles require wood to construct, one log for 1-3 tiles length, two for 4-7, or three for 8-10. Vertical axles, however, require one log for every z-level. As they are made of wood, axles are NOT magma-proof, except for those made of nether-cap.

Floor tiles will obstruct the transference of power over z-levels, so channels need to be dug through every floor through which a vertical axle passes. (It is not possible to build a vertical axle through stairs.)

Axles do not block unit movement and can be crossed by dwarves without being spooled around them. But keep in mind that digging channels for a vertical axle usually results in a hole that cannot be crossed.

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