Caterpillar Operator Challenge 2008
http://www.youtube.com/watch?v=P3RI9amB_QI
http://www.youtube.com/watch?v=P3RI9amB_QI
http://www.youtube.com/watch?v=cTxvbQ1MrQ0
http://www.youtube.com/watch?v=cTxvbQ1MrQ0
http://www.youtube.com/watch?v=_zQwPm6MSMY
http://www.youtube.com/watch?v=_zQwPm6MSMY
Saludos