| 摘要 |
PROBLEM TO BE SOLVED: To provide a tractor which can set the pressure of a steering brake of the tractor and can perform stable, smooth turning of steering. SOLUTION: The tractor, which automatically raises a lift arm 3 and switches a front wheel speed-up device 4 to a speed-up position when a steering angle of a front wheel 2 of a steering handle 1 is controlled to a predetermined angle or more, and then automatically performs the braking of a rear wheel steering brake 5, is configured such that the pressure setting of the steering brake can be selectively changed between high and low; that, for the actuation of the brake in the automatic mode, a brake arm 19 arranged near the rear wheel steering brake 5 is actuated by a piston 21 of a brake cylinder 20; and further that the braking of the rear wheel steering brake 5 is carried out by an operation of a pair of right and left brake pedals 17, apart from the interlocking operation by the steering handle 1. COPYRIGHT: (C)2004,JPO
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