| 298 / | HD | LAND VEHICLES: DUMPING |
| 24 | DF | HOPPER TYPE {3} |
| 27 | DF | .~ Bottom opening {2} |
| 29 | DF | .~.~ Hinged doors {2} |
| 31 | DF | .~.~.~ Longitudinally hinged only {2} |
| 33 | DF | .~.~.~.~ Oppositely swinging {2} |
| 35 R | | .~.~.~.~.~ Outwardly only {3} |
| 36 | DF | .~.~.~.~.~.~> Vertically movable |
| 37 | DF | .~.~.~.~.~.~> Closing equalizers |
| 35 M | DF | .~.~.~.~.~.~> Motor operated doors |