31QB-10170 31QB-10160 31QB10170 31QB10160 R450-7 Original new and rebuild could offer and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model swing motor used for excavator Hyundai

31QB-10170 31QB-10160 31QB10170 31QB10160 R500-7A Original new and rebuild could offer and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model swing motor used for excavator Hyundai

OTTO 31QB-10130 31QB-10160 31QB10130 31QB10160 R500-7 Original new and rebuild could offer and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model swing motor used for excavator Hyundai

31QB-10130 31QB-10160 31QB10130 31QB10160 R520-9 Original new and rebuild could offer and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model swing motor used for excavator Hyundai