353-0546 353-0609 353-0545 3530546 3530609 3530545 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

353-0546 353-0609 353-0610 3530546 3530609 3530610 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