... loader,back digger 2,buffer valve hydraulic system 3,Engine type/power(KW):Weichai 4100/44kw(60HP) front loader,back ... digger ,backhoe loader 4x4small type backhoe loader buffer valve hydraulic system, ensure reliable, efficient, ... vice box .NJ130 gearbox, strong power, carrying capacity, stronger, small in turning radius. The hydraulic system adopt large capacity tank ...