This machine is mainly used for the harvesting of potato,garlic,sweet potato,peanut and other underground rhizome crops. The thecnical paraments for this machine is as follows: Model 4U-2B Row number Double Row(Stacking and automatic discharging) Row spacing(cm)55-80 Productivity(mu/hr)5-8 Total weight(KG)800 Matching power(HP) 50-80 Working depth(cm) 25 Working width(m) 1.65 Potato-exposing rate>96% Breakage rate <2% Overall dimension(cm) 280*220*100 Packing size(cm) 220*190*80