(Used) 2006 Allison, TRANSMISSION ECM- ECM Model: A40, Part Number: 29544772, Serial Number: A40004U0, CIN: 45004U00018, Volts: 12, Transmission Model: 2200HS, Serial Number: 670542A, 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