Marine diesel engine training unit for automotive education. Based on 6 or 8 V-cylinder engine (depending on availability). Electrically powered at 220 V with reduced-speed operation for mechanical observation. Fully sectioned with visible lubrication, fuel, and cooling systems. Color-coded and partially galvanized or chrome-plated components for clear identification and durability. Mounted on mobile stand. Designed as an automotive training aid for engine diagnostics, structure, and system layout.