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 under the ... long, etc. 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and other crops under the ...