| 60 / | HD | POWER PLANTS |
| 325 | DF | PRESSURE FLUID SOURCE AND MOTOR {47} |
| 435 | DF | .~ Having a mechanical clutch or brake device in the power train {5} |
| 439 | DF | .~.~ Device acts on intermediate reactive rotor to modify speed ratio or direction {1} |
| 440 | ![]() | .~.~.~ Condition or direction responsive device |