Engines | Mounts, , (GOOD USED, RUN TEST, FULLY INSPECTED) 1998 Caterpillar C12 Diesel Engine with Jake Brakes (40PINECMCONNECTOR), Serial # 9NS07634, AR # 152-3236, 430HP RATED @ 1800 RPM, Watch test run video on our website or you tube channel. Visit JJREBUILDERS for more information on this engine or any other diesel engine. Call for more information 1-800-971-3019 (INV#004700)