332-7500 277-6697 3327500 2776697 312D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

32-7499 332-7500 353-0506 327499 3327500 3530506 311D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

332-7500 220-8600 220-8601 224-1681 3327500 2208600 2208601 2241681 312C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi