507-6562 511-6006 511-6007 5076562 5116006 5116007 323 em will send free parts to repair. And this model Final Drive used for excavator hitachi

507-6561 507-6562 521-3340 5076561 5076562 5213340 323F and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

507-6562 367-8329 334-9986 5076562 3678329 3349986 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

507-6562 521-3340 521-3341 5076562 5213340 5213341 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

507-6561 507-6562 515-0068 5076561 5076562 5150068 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