227-6949 270-8170 283-3204 2276949 2708170 2833204 319D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

227-6949 270-8170 353-0545 2276949 2708170 3530545 320D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

227-6949 215-9983 2276949 2159983 319C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi