378-9562 378-9563 378-9564 3789562 3789563 3789564 324E em will send free parts to repair. And this model Final Drive used for excavator hitachi

378-9562 378-9563 199-4695 3789562 3789563 1994695 326D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi