0 Allison B400R, , Transmission Assys, Fits to: Other Other, (Used) Allison, TRANSMISSION ASSEMBLY- Model: B400R, Serial Number: 6510792644, Engine Model: Cummins ISM, 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# 6510792644, Casting# 6510792644, Truck Year OTHER Other