The Caterpillar W345B MH Wheeled Material Handler in 1:50th scale was released by Norscot in 2005 with #55122
If you are in the possession of the original hardcopy specsheets, brochures or photos about the 1:1 Caterpillar W345B MH Wheeled Material Handler I would be happy if you send your response to info@minimovers.nl