Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 08 Compression-ignition internal combustion piston engines (diesel or semi-diesel e 84 08 10 - Marine propulsion engines 84 08 10 00 - Marine propulsion engines Commodity Code Description 84 08 10 00 00 - Marine propulsion engines 84 08 20 00 00 - Engines of a kind used for the propulsion of vehicles of Chapter 87 84 08 90 00 00 - Other engines