This crane travelling simulator uses a crane motor to move a moving crane from one location to another.
It’s a little complicated, but it works.
You can also find out more about crane travelling machinery, a machine that is capable of moving two moving cranes at once, on the Crane Travel Machine.
The crane motor can be powered by a single battery or by an AC power supply, but there are plenty of other ways to power a crane.
Here are some other interesting crane travelling machines: