Engines | Mounts, , (USED) 2005 Caterpillar C15 Acert Diesel Engine (Twin Turbo), Serial # MXS24347, 435HP Rated, MAX ADV 550HP, Test Run 6-15-15, Runs Perfect!!! Fully Inspected!! 473K Miles. Visit jjrebuilders.com for more information on this motor or any other diesel engine you may be looking for. 1-800-971-3019. INV # 002475