0 Allison 2500PTS, , Transmission Assys, Fits to: Other Other, (Used) Allison (AT), TRANSMISSION ASSEMBLY- Model: 2500PTS, Serial Number: 6311425967, Engine Model: ISB6.7, Reference images for condition 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# 6311425967, Casting# 6311425967, Truck Year OTHER Other