| 172 / | HD | EARTH WORKING |
| 518 | DF | ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30} |
| 579 | DF | .~ Plural groups of disks {5} |
| 584 | DF | .~.~ Horizontally angularly adjustable group {9} |
| 591 | DF | .~.~.~ With manual actuator {3} |
| 593 | ![]() | .~.~.~.~ Separate handles for independent gang adjustment |