DRIVING MOTOR RING (TRACK DRIVE WHEEL), OD:740MM, ID:525MM, 21 TEETH, 20 MOUNTING BOLT HOLES, KOMATSU PC220LL-7 PC220LL-8 PC250-6 PC250LC-6 PC250HD-6 PC270-7 PC270-8 PC270LC-6 PC270LC-7 PC270LC-8 PC290-8 PC290LC-8 PC290LC-10 PC290NCL-10 PC290NLC-8 PC290NLC-10 PC290LC-6 LC290LC-7 PC290LC-8 PC290NLC-7 PC290NLC-8 PC300-6 PC300-7 PC300-8 PC300LC-6 PC300LC-7 PC300LC-8 PC300HDLC-6 PC300SC-6 PC PC308USLC-3 PC340-6 PC340-7 PC340LC-6 PC340LC-7 PC340NLC-6,7 PC350-6,7,8 PC360LC
