355-5669 390-1088 511-0317 3555669 3901088 5110317 349E em will send free parts to repair. And this model Final Drive used for excavator hitachi

355-5669 390-1088 511-0317 3555669 3901088 5110317 352F em will send free parts to repair. And this model Final Drive used for excavator hitachi

519-2480 390-1088 5192480 3901088 349D2 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi