DIESEL ENGINE, FOUR-STROKE Mounted on plastic base (0193) A model of four-stroke water-cooled diesel engine. Clearly demonstrates the functioning of all critical components such as fuel injection system. camshaft. rocker arms, tappets etc. Cam operated inlet and exhaust valves being driven by a gear train from rear of the main crank. Ignition simulated by means of a miniature bulb. Mounted on a stable base. with printed diagram and key. Qty :