2019 Allison 2500RDS, Truck Delivery, Transmission ECMs, Fits to: Kenworth T270, (Used) 2018 Allison (AT), TRANSMISSION ECM- ECM Model: A61, Part Number: 29556882, Serial Number: BK6882A180080857, Transmission information- Model: 2500RDS, Serial Number: 6311611166, 1 Rectangular Plug with 80 Pins, 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# BK6882A180080857, Casting# BK6882A180080857, Truck Year 2019 2NKHHM6X2KM247919