http://www.youtube.com/watch?v=eKKqPQolIGgYouTube- Spread gravel with the Excavator hopper[/video]

http://www.youtube.com/watch?v=DxrrcLMCrsIYouTube- Excavator hopper used with Kubota excavator[/video]

http://www.youtube.com/watch?v=lM5xdJ87xpsYouTube- Excavator Hopper demo using caterpiller mini excavator (US Patent 7,473,068)[/video]


Saludos