Engines | Mounts, , (USED) 1997 Caterpillar C12 Diesel Engine (40PINECM), Serial # 9NS00625, 445HP RATED, AR # 151-2193, LOW MILES, GREAT RUNNER!!!! Fully Inspected, with warranty, Test Run 3-2-17, Visit jjrebuilder.com for more information on this engine or any other diesel engine. Call for more information 1-800-971-3019. INV # 003225