2016 Allison 2500HS, Truck Delivery, Transmission ECMs, Fits to: Freightliner M2 106, (Used) 2015 Allison, TRANSMISSION ECM- Part Number: 29550689, Serial Number: BK0689A152510991, Volts: 12, Transmission Model: 2500HS, Serial Number: 6311409186, Plug Pins: 80 Pins Plug Rectangular, 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# BK0689A152510991, Casting# BK0689A152510991, Truck Year 2016 1FVACWDT6GHHR3892