Design and Experiment of 4YQZ-3A Combine Harvester for CornZhang Xirui Dong Youfu Zhang Daolin(School of Mechanics and Electrics Engineering Hainan University Danzhou, China zhangxirui_999)AbstractDue to the problem of the low retrieving rate of straw while harvesting, fodder went sort in stock raising and to overcome the practical problem of corn harvester reaping both corn stalk and spike while in operation, 4YQZ-3A combine harvester was designed, analyzed and the paramete