| 475 / | HD | PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS |
| 31 | DF | FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11} |
| 116 | DF | .~ Fluid controlled mechanical clutch or brake {12} |
| 131 | DF | .~.~ Manually actuated ratio selector {4} |
| 134 | ![]() | .~.~.~ Plural selector valves |