... years after installation,for the maintenance,you can sent us the sparepart you need,we can prepare it for you Voltage: For hydraulic ... dockleveler:1.380v(415v&360v),3P,50HZ2.220v(240v&210v),1P,50HZBut we ... years after installation,for the maintenance,you can sent us the sparepart you need,we can prepare it for you Hydraulic load leveler