| 180 / | HD | MOTOR VEHICLES |
| 54.1 | DF | POWER {19} |
| 291 | DF | .~ Having specific motor-to-body-frame relationship {6} |
| 292 | DF | .~.~ Including change-speed gearing, or clutch, mounted in common with motor {3} |
| 293 | ![]() | .~.~.~ With member or mechanism for controlling gearing or clutch, and means for minimizing transfer of movement, caused by operation of motor, to member or mechanism |