| 摘要 |
<p>A transmission controller for a multi-ratio tractor transmission is disclosed, the controller comprising a control dial (40 which is rotatable in one direction from a central position (43) into a field working zone (42) of movement and in the other direction into a road working zone (44) of movement to set the engine speed at which the transmission (11, 12) changes up in ratio when working in the field and on the road respectively.</p> |
