Engines | Mounts, , (NEW SURPLUS ENGINE/ MILITARY) 2008 Caterpillar C12 Diesel Engine (70PINECMCONNECTOR), Serial # BCY00408, AR # 212-3802, 430HP RATED @ 1800 RPM. Surplus Military New. Visit JJREBUILDERS for more information on this engine or any other diesel engine. Call for more information 1-800-971-3019 (INV#004723)