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 |