A crane "Cartopper Material Handler" that can climb on top of containers on its own

It is a startling carrying crane that climbs on its own without any help on the construction train. It is possible to climb in about 10 minutes to the position required for operation and get off by oneself. Also, it can move from vehicle to vehicle, it seems to be doing great in transport control and railroad construction.

So, how can we do this kind of movement, the movie that seems to be actually moving is from the following.
It climbs up like this


In addition, you can see from the following page how it actually moves in two kinds of high-quality movies, QuickTime format and WMV format.

Herzog - Cartopper Material Handler

YouTube version is from the following.

YouTube - Herzog "Cartopper"


Almost 200 tons or 120 tons of coal can be moved, and if you use optional parts to grab like a UFO catcher, you can move even things like wood. It feels nice.