Automotive education trainer equipped with a 4-cylinder indirect injection diesel engine designed for farm tractor applications. Includes OHV camshaft mounted in crankcase, Bosch in-line mechanical injection pump, gear-driven valve timing system, gear-type oil pump, and water-cooling system. Operates electrically at 220 V with reduced-speed function to allow safe observation. Integrated with cross-sectioned components of fuel delivery, lubrication, timing, and cooling systems.