Detroit Diesel 4-53 engine, turbocharged, left hand blower/right hand exhaust configuration, build code # 5047-5300 (50475300.) VIDEO: https://www.youtube.com/watch?v=Eke9vNk6Nw8 VERY STRONG RUNNING ENGINE — SEE VIDEO. 55 lbs oil pressure at idle and 75+ lbs at full throttle, no smoke or blowby observed during cold test run. CANT FIND THESE LITTLE GUYS ANYWHERE — DON’T MISS THIS ONE !!