2006 Allison 3500RDS, Truck Delivery, Transmission Assys, Fits to: Sterling LT8500, (Used) 2005 Allison, TRANSMISSION ASSEMBLY- Model: 3500RDS, Serial Number: 6510580799, Part Number: E010422, Engine: Caterpillar C7, 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# 6510580799, Casting# 6510580799, Truck Year 2006 2FZAAWDCX6AV51898