0 Allison 2500PTS, , Transmission Assys, Fits to: , (Used) Allison (AT), TRANSMISSION ASSEMBLY- Model: 2500PTS, Serial number: 6311866803, Part Number: E024077, Date: 20H17, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKY HWY, ELKTON, MD 21921, Serial# 6311866803, Casting# 6311866803, Part# E024077