The manure spreader is mainly used to apply base fertilizer before tillage, and to cultivate and spread seeds and fertilizers in grassland and pasture after sowing The manure spreader is a new type of agricultural machinery driven by a tractor, which can scatter livestock manure, fermented organic manure, manure/compost and return them to the field. It is mainly composed of traction frame, frame welding, fertilizer box, hydraulic system, transmission system, fertilizer feeding device, fertilizer spreading system, ground wheel mechanism and other systems. The fertilizer feeding system of the machine is driven by the hydraulic output of the tractor and the hydraulic motor works. The fertilizer feeding device makes the whole box of fertilizer move backward synchronously; The fertilizer spreading system of the machine is driven by the tractor power output shaft, and the auger is driven by the triple gear box to disperse the fertilizer. At the same time, the double fertilizer sp…