Abstract: Provided is a work vehicle having an improved obstacle detection accuracy. The work vehicle includes: a bonnet provided on a front portion of a travelling vehicle body; an obstacle sensor that detects an obstacle on a front side; and a sensor attaching stay configured to extend toward a front side of the bonnet and to allow the obstacle sensor to be attached thereto.

Abstract: A working vehicle may be provided that detects obstacles around a self-traveling tractor in a wide range, with reduced erroneous detection. A tractor may include a vehicle body including a front wheel and a rear wheel; a rear wheel fender covering the front and top of the rear wheel; a rear stay in a shape that extends along the rear wheel fender, a rear first obstacle sensor provided at the front of the rear stay; and a rear second obstacle sensor provided at the rear of the rear stay.

Abstract: Provided is a work vehicle having an improved obstacle detection accuracy. The work vehicle includes: a bonnet provided on a front portion of a travelling vehicle body; an obstacle sensor that detects an obstacle on a front side; and a sensor attaching stay configured to extend toward a front side of the bonnet and to allow the obstacle sensor to be attached thereto.

Abstract: A working vehicle may be provided that detects obstacles around a self-traveling tractor in a wide range, with reduced erroneous detection. A tractor may include a vehicle body including a front wheel and a rear wheel; a rear wheel fender covering the front and top of the rear wheel; a rear stay in a shape that extends along the rear wheel fender, a rear first obstacle sensor provided at the front of the rear stay; and a rear second obstacle sensor provided at the rear of the rear stay.

Abstract: A speed change control apparatus for a work vehicle includes a hydraulic continuously variable speed transmission that performs speed change on power input from an engine by changing a trunnion shaft angle based on a depressing amount of a speed change pedal and outputs the power, a pedal position detector that detects a pedal position responsive to the depressing amount of the speed change pedal, and a control unit that controls a number of revolutions of the engine and the trunnion shaft angle of the hydraulic continuously variable speed transmission based on a detection value of the pedal position detector. The control unit performs control so that the trunnion shaft angle is maximized at a second pedal position set to a position shallower than a first pedal position at which the number of revolutions of the engine is maximized by a depressing operation of the speed change pedal.

Abstract: A speed change control apparatus for a work vehicle includes a hydraulic continuously variable speed transmission that performs speed change on power input from an engine by changing a trunnion shaft angle based on a depressing amount of a speed change pedal and outputs the power, a pedal position detector that detects a pedal position responsive to the depressing amount of the speed change pedal, and a control unit that controls a number of revolutions of the engine and the trunnion shaft angle of the hydraulic continuously variable speed transmission based on a detection value of the pedal position detector. The control unit performs control so that the trunnion shaft angle is maximized at a second pedal position set to a position shallower than a first pedal position at which the number of revolutions of the engine is maximized by a depressing operation of the speed change pedal.