... :0.4-0.9(km2/h) 4.good quality with high efficiency Specificationsself-propelled corn harvester: 1.structure type ... 4YZ-3 type of self-propelled corn combine harvester series, mainly includes with cutting platform, power transfer institution, conveying and ... adopts the precursor type, has the reasonable structure, with small turning radius , convenient operation, durable, safety, easy ...