2010 Allison 2500PTS, School Bus, Transmission Assys, Fits to: IC Corporation PB105, (Used) 2009 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2500PTS, Serial Number: 6310943840, Engine: International MAXXFORCE 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# 6310943840, Casting# 6310943840, Truck Year 2010 4DRBUSKP8AB241664