... mounted jib, single cylinder for front support elevating, fully hydraulic drive, and double H-shaped outriggers.Well-equipped safety devices ... cut-out device, etc., greatly improved safety in operation.Two cabs ergonomically designed conform to ISO standard, fan, heater ... monitor for display of crane various motions. QY 20B Hydraulic mobile craneMax rated lifting capacity: 20tMax lifting height: 39 ...