| 475 / | HD | PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS |
| 31 | DF | FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11} |
| 47 | DF | .~ Impeller-turbine type fluid circuit and mechanical path in parallel {9} |
| 48 | DF | .~.~ With control of or by the fluid circuit {2} |
| 49 | ![]() | .~.~.~ Gearing controlled by fluid circuit condition |