507-6559 507-6560 507-6561 5076559 5076560 5076561 323 em will send free parts to repair. And this model Final Drive used for excavator hitachi

507-6560 507-6561 507-6562 5076560 5076561 5076562 320F and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

441-3007 507-6560 507-6561 4413007 5076560 5076561 320E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

507-6558 507-6560 507-6561 5076558 5076560 5076561 318E 318F 323D2 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi