| 280 / | HD | LAND VEHICLES |
| 29 | DF | WHEELED {21} |
| 400 | DF | .~ Articulated vehicle {30} |
| 495 | DF | .~.~ Vehicle mounting or clamp {5} |
| 500 | ![]() | .~.~.~ Modified bumper or noncoupling bumper clamp {2} |
| 501 | DF | .~.~.~.~> With other vehicle connection |
| 502 | DF | .~.~.~.~> Bumper clamp |