CATERPILLAR , (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1999 Caterpillar C12 Diesel Engine (70PINECMCONNECTOR), Serial # 2KS51345, AR # 172-8998, 395 HP RATED @ 1800 RPM, Short Block # 0R9680, Long Block Part # 10R1406, MAX ADV 505HP @ 1800, LOW MILES, GREAT RUNNER WATCH VIDEO!!!!!! Fully Inspected, with warranty, Visit JJ REBUILDERS for more information on this engine or any other diesel engine. Call for more information. REF INV # 005056