Well, I got in touch with the guy.
His name is Ferri Elvo from Italy, said his english isn't very good but gave me a list of websites of which I done my best to pick out a few that might be focused on what and where to get them etc (weren't in english).
First one seems like specification style document.
http://www2.vpe.slu.se/VPEreport/VPE...t%20no%203.pdf http://www.verboonbv.nl/verboonav/im...sbrief%204.pdf Home page Carsalade ?lagage - Activit?s - R?gion Midi-Pyr?n?es, Toulouse Desbrozadoras AHWI, Tortella y Removedor de Troncos EFR para la Agricultura