191-5606 199-4746 199-4747 1915606 1994746 1994747 330C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

199-4578 218-9404 199-4579 1994578 2189404 1994579 330C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi