... or by diesel engine Raw material of wood sawdust grinder for sale: Forestry waste: Camphor wood, Elmwood, basswood, poplar tree, Locust trees, birch ... , and many other agr-waste etc. Working principle of wood sawdust grinder for sale: 1.The motor drives the rotor rotates of ... cutterhead. 2.The materials is crushed by the Cutterhead of wood sawdust grinder for sale at the first into small pieces. When ...