4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and other crops ... 1. Product Introduction 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and other crops ... life is long, etc. 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and other crops ...