| 摘要 |
PURPOSE:To lightly switch a sub transmission to the high/low speed side by operating a shift lever for a main transmission. CONSTITUTION:A transmission of a tractor is provided with a gear type main transmission 18 on a traveling transmission system connected to an engine 1 and a gear type sub transmission 19 on the downstream side thereof, and operating means 32, 37 to execute transmission of the transmissions 18, 19 respectively. The operating means 32 of the main transmission 18 is provided with a shift lever 31 to execute the transmission to a plurality of stages including the neutral stage, and the operating means 37 of the sub transmission 19 is provided with a shifter 36 by the power shift to realize switching to the high/low speed side, and a sensor 41 to detect that the operation is made by keeping this neutral condition from the neutral position of the shift lever 31 is provided, and an interlocking means 42 to actuate the shifter 36 either to the high or low speed side based on the detection of this sensor 41 is provided. |
