XJCK-00123 31N8-40050  XJCK00123 31N840050 R290-7 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 JCB

31N8-40011 XJCK-00123 31N840011 XJCK00123 R305-7 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 JCB

OTTO 31N9-40010 XJCK-00123 31N940010 XJCK00123 R320-7 R320-7A Excavator Final Drive This Final Drive used for excavator Hyundai, Original new and rebuild could offer and With 6-12 months warranty