Axle

Note: after Hungry Animals 3.0, machines are moved into Hungry Mechanics which is an add-on of Hungry Animals.

Axle
Axle is a block that transports power. Basically it connects with other power-transporters above and below.

Variants
Right-clicking with a wheel adds the wheel to the axle. By using belt, you can connect two distinct axle horizontally. The belt must have enough length to connect two wheels.