(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2004 Caterpillar C15 ACERT Diesel Engine (TWIN TURBO), Serial # BXS36537, AR # 258-9174, Fam # 4CPXH0928EBK, 550HP RATED, Long Block # 10R4411, 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 786-377-5210 for more information. REF INV # 005474