Due to its excellent performance with high working efficiency, this machine is mainly used for the harvest of potato and other subterranean rootstalk crops with the advantages including high-working efficiency.lower breakage rate.light&quick running without vibration.no jamming and simple structure as well as long useful life. In addition, this machine has been granted with two patents including utility model and outline design.

Model	Working width(mm)	Row spacing(mm)	Weight (kg)	Matched power(HP)
4U-650	650	500-650	200	20-35
4U-800	800	800	220	35
4UZ-1	650	550-650	145	20