OTTO Final Drive 421-4381 227-6695 332-7499 Travel Motor Assy for CAT E311D E311F E313D E313D2 Excavator Parts This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

277-6695 278-6920 332-7499 2776695 2786920 3327499 312D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi