2006 Allison 1000 SERIES, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55 Chassis, (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000 Series Serial Number: 9630029243, Part Number: 29547952, Engine: Mercedes MBE 900, 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# 9630029243, Casting# 9630029243, Truck Year 2006 4UZAARCP06CX31898