Hydraulic leveling equipment with large effective area table, the hydraulic characteristics of work force. The nominal pressure is 3150 kn, liquid maximum working force 25 mpa, master cylinder return force of 600 kn, head to the workbench face maximum distance of 800 mm, 800 mm head trip, pressure head around mobile distance is 1500 mm, under the pressure head by slow 7 mm to return 40 mm per second per second, workbench about effective area before and after the effective area of 2200 mm, 1250 mm.