0 Allison B400, , Transmission Assys, Fits to: , (Used) Allison, TRANSMISSION ASSEMBLY- Engine Reference: P-41234, Model: B400, Serial Number: 6510456415, Part Number: E006178, Engine: Cummins ISC, 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# 6510456415, ,