| 405 / | HD | HYDRAULIC AND EARTH ENGINEERING |
|
| 258 | DF | EARTH TREATMENT OR CONTROL {5} |
| 272 | DF | .~ Shoring, bracing, or cave-in prevention {6} |
| 288 | DF | .~.~ Roof support {5} |
| 290 | DF | .~.~.~ Jack {1} |
| 291 |  | .~.~.~.~ Mobile {8} |
| 292 | DF | .~.~.~.~.~> Position restoring |
| 293 | DF | .~.~.~.~.~> With canopy extension {1} |
| 295 | DF | .~.~.~.~.~> Cantilevered |
| 296 | DF | .~.~.~.~.~> With rubble shield |
| 297 | DF | .~.~.~.~.~> With contour following feature |
| 298 | DF | .~.~.~.~.~> Under load advanceable |
| 299 | DF | .~.~.~.~.~> Self-advanceable {1} |
| 302 | DF | .~.~.~.~.~> Control system |