0 Allison B400, , Transmission Assys, Fits to: Other Other, (Used) Allison, TRANSMISSON ASSEMBLY- Model: B400RRM, Serial number: 9330008620, Part Number: 29557071, Engine: Cummins ISM 280, 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# 9330008620, Casting# 9330008620, Truck Year OTHER Other