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

210-3529 185-6953 2103529 1856953 311C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi