Engines | Mounts, , (USED) 1999 Caterpillar C10 Diesel Engine (70PIN), Serial # 3CS07971, AR# 169-2345, 320HP RATED, 175,662 Miles, RUNS PERFECT!!! TEST RUN 10-8-15, Watch Video on jjrebuilders.com, Motor has been fully inspected. Call for more information 1-800-971-3019. INV # 002677