(USED) 2005 Allison (AT) MD3066, TRANSMISSON ASSEMBLY- S/N-9330010412 P/N-29546719 Model-MD3066 Engine Model: C7ACERT For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921