4-stroke, 4-cylinder 1400–1700 cm³ inline diesel engine cutaway educational model. Trainer includes indirect injection, VE Bosch rotary injection pump, an overhead camshaft, a toothed belt for distribution, and a single-plate clutch with a diaphragm. The engine operates electrically at 220V (110 V), running at reduced speed to clearly demonstrate mechanical part functions. Model showcases key systems, including lubrication, fuel, and cooling. The gearbox offers forward and reverse speeds, while the system integrates an alternator, thermostatic valve, and water cooling.