| 841210 | 841210 - Engines; reaction engines, other than turbo-jets |
| 841221 | 841221 - Engines; hydraulic power engines and motors, linear acting (c |
| 841229 | 841229 - Engines; hydraulic power engines and motors, other than linea |
| 841231 | 841231 - Engines; pneumatic power engines and motors, linear acting (c |
| 841239 | 841239 - Engines; pneumatic power engines and motors, other than linea |
| 841280 | 841280 - Engines; pneumatic power engines and motors, n.e.c. in headin |
| 841290 | 841290 - Engines; parts, for engines and motors of heading no. 8412 |