Engines | Mounts, , (USED) 2003 Caterpilllar 3126 Diesel Engine (70PINECM), Serial # HEP15390, 300HP RATED, MAX ADV 350HP, Test Run 10/1/15, 116,321 Miles, Fully Inspected!!! Runs Perfect!!! Visit JJREBUILDERS.COM for more information on this engine or any other diesel engine you may be looking for. Call 1-800-971-3019. INV # 002657