... 1. Product Introduction 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and ... is long, etc. 4U Series Potato Harvester is mainly used for harvesting potato, garlic, sweet potato, peanut and other ... Main product consists of disc plough, disc harrow, share plough, rotary tiller, rotary stubble crusher, wheat planter, corn planter, cultivator, soil ridger, ...