515-0079 515-0080 515-0081 5150079 5150080 5150081 329F em will send free parts to repair. And this model Final Drive used for excavator hitachi

515-0080 515-0081 515-0082 5150080 5150081 5150082 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