“Zhonglian Harvest” type 4LZ-9L self-propelled full feed grain combine harvester adopts the tangential flow and longitudinal axial flow drum threshing separation technology, which has strong threshing ability and can separate the materials thoroughly. One harvester has multiple functions,it can harvest different crops such as wheat,rice,grain,sorghum,corn kernels,soybeans,etc,with longer scope and more income for usuers.