Huaxi Yutian 4QZ-3 type silage corn harvesting machine in China Agricultural University, Chinese Academy of Agricultural assistance, drawing on domestic and foreign advanced technology, started to develop new products. The product is self-propelled full-feeding type, mainly for harvesting green maize, ear chopped, stems cut into filamentous kneading fine feed can be fed directly to livestock, silage can also be carried out in order to fill the winter feed increases. The product structure, transfer mainly by pairs of dial-tooth cylindrical maize harvest cutting units, chain harrow conveyor trough, plate feeding roller gear, helical double-edged straight sword-type shredding shredding gravure cylinder and activities room, scroll vane cast delivery device, at any angle adjustable rotation angle of the throw to send cylinder formed and equipped with automatic monitoring, monitoring system and other functions. The machine structure is compact, easy to operate, operation flexibility, one machine multi-purpose, high production efficiency, superior performance, through the replacement of parts can also be integrated into the seed corn, straw or grass to field crops such as functional Item UnitsSpecificationsMating PowerModel Specification4A90-T10RatedKw66Rated speedr/min2200MachineStructureSelf-propelled full-feedingDimensionsTransportation StatusMm7340*2700*3300Field work statusMm7300*3850*3490Working widthCm236Quality MachineTransportation StatusKg4620Field work statusAdaptedGreen or yellow corn, wheatMinimum ground clearanceMm100Minimum turning radiusMm4200