| 摘要 |
PURPOSE:To reduce a gearshift load in a tractor when manually shifting gears in a selective gear type main transmission by means of a shift lever while the high-to-low speed change gear of the tractor is at high speed. CONSTITUTION:A detector 13 for detecting that power to a traveling clutch 2 is interrupted is provided; when the detector 13 detects that power to the traveling clutch 2 is interrupted with a high-to-low speed change gear 4 at high speed, the high-to-low speed change gear 4 switches to low speed. |
