... 4.High efficiency Corn Combine Harvester1. Self-propelled machine, hydraulic step-less speed adjustment2. Cutter bar hydraulic control lifting, good ... of height and row spacing3. Huge grain tank, hydraulic control turning, high efficiency and save time4. Compact structure, ... radar, improve the driving safety Type4YZ-3A self-propelled corn combine harvesterWorking rows3Total loss rate≤4Broken rate ≤1% ...