315-4440 333-2878 296-6249 3154440 3332878 2966249 349F 352F 336E 336F em will send free parts to repair. And this model Swing Motor used for excavator hitachi

315-4440 325-8920 334-9942 3154440 3258920 3349942 336E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi

315-4440 325-8920 334-9942 3154440 3258920 3349942 349E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi