1,new design. 2,various of model 3,for potato harvester 4,high efficiency 4U MODEL POTATO HARVESTER model 4u-2 4u-2b 4u-3 working depth250mm250mm250mmworking width1650mm1650mm1650mmpower required50-80hp50-80hp70-120hpdimension2800*2200*1000mm2800*2200*1000mm3300*3900*3100mmweight600kg700kg1200kg high efficiency 4U MODEL POTATO HARVESTER MACHINERY