195-0019 185-1726 1950019 1851726 311C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi

244-5214 176-8134 2445214  1768134 311C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi