The PTO lock nut used in Terex dump truck , we have in stock ,we also can provide quality certifiction for you. We are Chines major Terex dump truck's spare parts manufacturer We can supplier Terex 3303 ,3304 ,3305 ,3307 ,Tr50 ,Tr60 ,Tr100 series parts .We will not only provide high quality ,good service ,also providing a reasonable price for you .If you have any questions ,please don't hesitate ...