| 摘要 |
<p>The present invention provides a transmission for a tractor. The transmission comprises an operating shaft; a first clutch installed on the operating shaft by being placed between first and second gears to connecting power of the operating shaft to the first or second gear; a first power delivery shaft combined to allow third and fourth gears, receiving the power from the first or second gear, to be interlocked with fifth and sixth gears; ninth and tenth gears, receiving power from the sixth and fourth gears, and seventh and eighth gears, receiving power from the third and fifth gears by being combined with a second power delivery shaft receiving the power from the first power delivery shaft; first and third step synchronizers installed on the second power delivery shaft to deliver the power of the seventh or eighth gear to the second power delivery shaft; second and fourth synchronizers installed on the second power delivery shaft to deliver the power of the ninth or tenth gear to the second power delivery shaft; a third power delivery shaft combined with twelfth and thirteenth gears, receiving power from an eleventh gear combined with the second power delivery shaft, to be freely rotated; a forward and backward synchronizer installed on the third power delivery shaft by being placed between the twelfth and thirteenth gears and delivering the power of the twelfth or thirteen gear to the third power delivery shaft according to selective operation; and a first output shaft connected to the third power delivery shaft to be rotated with the shaft.</p> |
