2006 Allison 1000 SERIES, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: 466, Part Number: 29542725, Serial Number: BKDYPSM160815UWQ, transmission information- Model: 1000RETRAN, Serial Number: 9630042014, Part Number: 29547952, 2 Rectangular Plugs with 32 Pins each, 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# BKDYPSM160815UWQ, Casting# BKDYPSM160815UWQ, Truck Year 2006 4UZAARCP66CX31887