Engine Good Running DETROIT Diesel 3-71 Nat 3 Cyl Diesel S/n: 3a39680 Block: 5183957 Test Ran: 04/11/13, B, 40 Psi Oil, No Throttle Control At Gov. Rack Moves, No Injectors Stuck, Shut Off Works Runs Good High Idle. From Flywheel: Exhaust Manifold On The Left, Blower Is On The Right, Gov. Is On The Right, Starter Is On The Right. Gov. Is Single Weight Variable Speed. Additional Core Charge Of $ 1950 Required