factory need to buy some Onan Generator, harrison hydraulic generator,Marathon hydraulic generator and the American Auburn gearbox.for all the generator need the 220V 50HZ 60HZ and 110V 60HZ or adjustable.but the most gererator need is the 220V 50HZ. Please provatalog and price. we need to be import from Tianjin port.Please give us t Show More...