Engines | Mounts, , (USED) 1999 Caterpillar C10 Diesel Engine (70PIN), Serial # 3CS05971, 370HP RATED, 194,378 Miles, RUNS PERFECT!!! TEST RUN 9-28-15, Watch Video on jjrebuilders.com, Motor has been fully inspected. Call for more information 1-800-971-3019. INV # 002653