| 301 / | HD | LAND VEHICLES: WHEELS AND AXLES |
| 5.1 | DF | WHEEL {21} |
| 9.1 | DF | .~ Detachable wheel section {10} |
| 10.1 | DF | .~.~ Demountable rim {4} |
| 30 | ![]() | .~.~.~ Transversely divided {3} |
| 30.2 | DF | .~.~.~.~> One section both transversely and circumferentially divided |
| 31 | DF | .~.~.~.~> Plural sections {1} |
| 33 | DF | .~.~.~.~> With end-aligning means {1} |