1981 Cummins NTC350 diesel engine, turbocharged, aftercooled, CPL 471 (CPL 0471,) 350 HP rating, NTA855, 855 CID BIG CAM designation, truck application, complete as pictured. GOOD RUNNING TAKEOUT ENGINE, AS PICTURED. SEE VIDEO, MILD SMOKE AT IDLE, NO BLOWBY OBSERVED, STRONG WHEN REVVED UP, GOOD RUNNER. HELD GOOD OIL PRESSURE DURING COLD TEST RUN. VIDEO: https://www.youtube.com/watch?v=27xp9mjP0is