... > SECTION XVI - MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES > CHAPTER 84 - NUCLEAR REACTORS, BOILERS, MACHINERY AND MECHANICAL APPLIANCES; PARTS THEREOF > 8408 Compression-ignition internal combustion piston engines (diesel or semi-diesel engines) > Engines of a kind used for the propulsion of vehicles of Chapter 87 > Other > For wheeled agricultural or forestry tractors, of a power > Not exceeding 50 kW