2007 Allison 1000 SERIES, Truck Delivery, Transmission Assys, Fits to: Freightliner MT45 Chassis, (Used) 2006 Allison, TRANSMISSION ASSEMBLY- Model: 1000, Serial Number: 13878, Part Number: 29547943, Engine: Mercedes OM904LA, 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# 13878, Casting# 13878, Truck Year 2007 4uzaancp07cx31085