Mobile wood crusher (sawdust machine) is a series of special equipment for wood crushing. It is designed by Zhengzhou Xinfei machinery company after years of study and it is based on the needs of China's industrial production. As the mobile wood crusher reasonable designed, compact structure, high safe, durable, high production efficiency, after promoting, it receives a good result. The whole device is only driven by a motor. It owns some advantages such as low noise, simple structure, compact layout, low price , stable-working, low energy consumption, high production, the finished sawdust has good quality, low-processing cost. The mobile wood crusher of Xinfei is fitted with wheel, using motors, diesel engines as power, and it crushed not only in point, but also in movable crushing, safe operation.