227-6044 227-6045 333-3036 353-0500 353-0527 353-0528 521-3847 521-3848 225-4504 This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

521-3848 527-7095 527-7096 5213848 5277095 5277096 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

521-3847 521-3848 225-4504 5213847 5213848 2254504 349D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi