| 摘要 |
A speed changing structure for a work vehicle, comprising a travel speed changing device having a plurality of speed change positions, a manually operated speed changing lever ( 63 ), control means ( 64 ) for controlling the travel speed changing device, and a manually operable operating part ( 65 ) provided to the speed changing lever ( 63 ), wherein the control means ( 64 ) has a first speed changing mode for operating the travel speed changing device in single steps so as to follow the operation of the speed changing lever ( 63 ), and a second speed changing mode for operating the travel speed changing device without passing through intermediate speed change positions to a speed change position that corresponds to the operating position after the speed changing lever ( 63 ) has been moved from the speed change position that corresponds to the operating position prior to the speed changing lever ( 63 ) being operated; and the control means ( 64 ) operates the travel speed changing device in the first speed changing mode when the operating part ( 65 ) is not operated and the speed changing lever ( 63 ) is operated, and operates the travel speed changing device in the second speed changing mode when the operating part ( 65 ) is operated and the speed changing lever is operated. |
