M78 (3) Log shredder / chipper on caterpillar track - N GAUGE -Picture includes illustration of model when complete. Pack contains parts to build one shredder, requires assembly and painting. This version is situated on a caterpillar track, we also produce the model on a semi trailer (ref M77) and a static frame (ref M79) Background: Large industrial Shredding Crushing Plant has existed for many years to reduce a vast range of materials to a manageable size for further processing, direct use or general