(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2005 Caterpillar C15 ACERT Diesel Engine (SINGLE TURBO), Serial # MXS50205, AR # 269-4319, Fam # 5CPXH0928EBK, 550HP RATED, Long Block # 10R4412/ 20R9106, Short Block # 10R4404, TEST RUN WATCH VIDEO ON JJREBUILDERS, Fully Inspected! Perfect Runner!! Visit JJREBUILDERS for information on this engine or any other diesel engine you may be looking for. Call for more information. REF INV # 005460