515-0070 515-0071 515-0072 5150070 5150071 5150072 330F em will send free parts to repair. And this model Final Drive used for excavator hitachi

515-0069 515-0070 515-0071 5150069 5150070 5150071 323E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi