CATERPILLAR C6.6, BK- C6.6 turbo diesel, removed from a 320EL RR hydraulic excavator,with only 6650 total hours, 2347 idle hours, engine test ran clean, no smoke or blowby noted, good running takeout. WITH 100 DAY PARTS WARRANY PLUS $2500.00 REFUNDABLE CORE DEPOSIT., Engine, GOOD USED