(USED) AT EATON/FULLER RTAO16710C Transmission assembly. Serial # 0530-0519-02D Truck: 2001 PETERBILT 385 Engine: CATERPILLAR C12 To find out more about this Transmission give us a call. We ship worldwide! Complete Recycling Group (CRG) 929 W Pulaski Hwy Elkton, MD 21921