We are manufacturering Amrican drum axle,spoke axle,bogie,suspension,fifth wheel,kingpin,gear and other ... 146mmAir chamber center:370mmStud:6x3/4''Length:2185mmYonglitai axle CO.,LTD is one professional manufacturer of axles, ... total 150 thousand square meters. It has axle hot rolling line, axle digital machining line, air suspension production line ... famous brand by the users. 11T American spoke axle