| 84 | Reactors nuclear, boilers, equipment and mechanical devices; their parts |
| 8407 | Internal combustion engine with spark ignition or rotary reciprocating motion of the pistons |
| 840734 | Engines with reciprocates piston for use in vehicles group 87, having a cylinder capacity of 1000 cm3 engine over |
| 84073491 | Engines with reciprocating motion of the pistons, used to propel transprt.sr in-gr.87, new, working volume of cylinders of the engine of 1000 cm3 more but not more than 1500 cm3 |