2015 Allison 2500HS, Truck Delivery, Transmission ECMs, Fits to: Freightliner M2 106, (Used) 2014 Allison (AT), TRANSMISSION ECM- Trans Model: 2500HS, TCM Model: A61, Serial Number: BK0689A140270109, Part Number: 29550689, 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# BK0689A140270109, Truck Year 2015, VIN 3ALACWDT3FDGD5591 3ALACWDT3FDGD5591