| 280 / | HD | LAND VEHICLES |
| 5.2 | ![]() | STEP OR ABUTMENT ASCENDING TYPE VEHICLE {6} |
| 5.22 | DF | .~> With endless track |
| 5.24 | DF | .~> With skid or rollerway |
| 5.26 | DF | .~> With spider-type engaging means |
| 5.28 | DF | .~> Relatively movable running gear portions |
| 5.3 | DF | .~> Jack-type attachment (i.e., elevating) |
| 5.32 | DF | .~> Fulcrum attachment |