... Machinery Co., LtdOur company has specialized in spare parts of heavy construction equipment for six years.And ... , D65, D80, D85, D155, D355And so onKomatsu excavatorPC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400 and so ... so on Pure track assemblieshydraulic torque converterhydraulic transmissionsteering clutchfinal drive gearsupporting wheelswheels and guide wheelsgear blockknife angle, blades ...