Ku-20 is used in transportation without rail in underground mines and tunnels to transport ore rocks, materials. Uk-20 is using original deutz f10l413fw low pollution diesel engine, america dana clark hydraulic torque convertor, hydraulic power shift transmission and axles, america mico hydraulic braking system, italian exhaust purifier with oxidation catalysis and silencer, and other famous brands as main components. Wet discs brake braking system supply stability and safety to drivers and workers around; the self-dumping underground truck uk-20 is using high tension anti-wearing blade to assure the life of the carriage. Nude packing with 40 hq container