Engines | Mounts, , (USED) 2005 Caterpillar C15 Acert Diesel Engine (Twin Turbo), Serial # MXS66244, 525HP Rated, MAX ADV 600HP, Test Run 9-10-15, Runs Perfect!!! Fully Inspected!! Low 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 # 002634