2006 Caterpillar C13, Intercity/Tour Bus, Engine Assys, Fits to: MCI D4500, (Used) 2006 Caterpillar C13, ENGINE ASSEMBLY- ( REMANUFACTURED ) Family Number: 6CPXH0763EBK, Displacement: 12.5L, Horsepower: 525 Ar.No./CPL: 271-1167, Serial Number: KCB63818, 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, Horse Power 525, Serial# KCB 63818, Truck Year 2006 1M8PDMDA86P057268