... ):Weichai 4100/44kw(60HP) front loader,back digger ,backhoe loader 4x4small type backhoe loader buffer valve hydraulic system, ensure ... load sensing hydraulic steering isuzu double points before, rear axle, pump reinforced with vice box .NJ130 gearbox, strong ... piece even installed reversing valves, moving arm rotary control assembly buffer valve hydraulic system, ensure reliable, efficient, stable ...