该机由黑龙江省农机院研制。它可满足马铃薯分段收获的挖掘、升运、分离和辅放等作业的要求，适用于含水率为25％左右的粘重土、中粘土和破壤上。主要技术数据：配套动力29．4kw以上拖拉机挖掘行数2行适应龚距6cm～70cm工作速度5km／h～8km／h生产率0．33hm2／h～0．50hm2／h； The aircraft from the Agricultural Machinery Research Institute of Heilongjiang Province. It can meet the requirements of excavation, lifting, separation and auxiliary release of potato staged harvesting and is suitable for viscous heavy clay, medium clay and broken soil with water content of about 25%. Main technical data: Supporting power 29.4kw or more Tractor excavation lines 2 lines Adaptation Gong distance 6cm ~ 70cm Working speed 5km / h ~ 8km / h Production rate 0.33hm2 / h ~ 0.50hm2 / h;