0 Allison 1000 SERIES, , Transmission Assys, Fits to: , (Used) Allison, TRANSMISSION ASSEMBLY- Model: 1000 RETRAN, Serial Number: 9620014729, Part Number: 29538969, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 9620014729, Casting# 9620014729, Part# 29538969