Pile riggers

[trilliwilli]

This guy must have a very good relationship with his neighbours, because he is rigging in his own garden:

http://www.youtube.com/watch?v=eu8YqIZlR4I

http://www.youtube.com/watch?v=vVdF0n2mw-4&feature=mfu_in_order&list=UL

http://www.youtube.com/watch?v=jNf5trmJNlM&feature=mfu_in_order&list=UL

[JensR]

That is off the hook!
Superb!
The machines look so tall and the pile driver has quite a high frequency. Amazing.