http://www.youtube.com/watch?v=BLAJLpc07YsYouTube - Lego Technik Traktor mit Schwader und Bulldozer[/video]

http://www.youtube.com/watch?v=D9IF-KJIbkAYouTube - Lego Technic Harvester[/video]

http://www.youtube.com/watch?v=maJiXihmzw8YouTube - Lego Tractor[/video]

http://www.youtube.com/watch?v=xd6sbNP46BQYouTube - LEGO Power Functions Solar Traktor[/video]

Saludos