... 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato ... Product Introduction 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut ... etc. 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut ... and technicians and 40 sets of various facilities for machining, cutting, welding and punch pressing, ...