197-7179 185-6953 1977179 1856953 316E 316F and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

197-7179 197-7178 185-6953 1977179 1977178 1856953 315C 315D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi