Detailed cutaway of an injection pump with 6 in-line cylinders, this model incorporates a small piston, sector gear, camshaft, centrifugal governor, and check valve. It includes two types of injectors, a fuel filter, and a fuel pump, all operated manually via a crank handle. The model also showcases components such as the toothed axle for pump delivery adjustment, fuel feed pipe, and pressure release valve, offering a comprehensive view of the injection pump’s mechanical functions and operational principles.