Steering equipment for a work vehicle includes a steering transmission
shaft mounted so that the shaft can turn within a steering column, and
with a control device for actuating a steering operating unit. The control
device includes a reference member, which can move along the transmission
shaft and a sensor device fixed to the steering column in a position
substantially facing the reference member for detecting a position of the
reference member along the transmission shaft. The sensor provides a
displacement signal that is used to vary the steering ratio, such as
steering speed.