2007 Detroit Series 60, , Engine Assys, Fits to: Sterling A9500, (Used) 2006 Detroit Series 60, ENGINE ASSEMBLY- REMANUFACTURED- Displacement: 12.7L, Horsepower: 455, Serial Number: 06RE137751, Part Number: R23535408, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 455, Serial# 06RE137751, Casting# 06RE137751