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Title:
AGRICULTURAL TRACTOR
Document Type and Number:
Japanese Patent JP2009214877
Kind Code:
A
Abstract:

To provide an agricultural tractor capable of realizing safety in high-speed travel while enabling automatic speed change without any troublesome operation in on-road driving.

In the agricultural tractor, the rotational power from an engine is transmitted to traveling wheels via a traveling transmission mechanism composed of a main speed change device, a sub speed change device or the like, and the speed change of the main speed change device is changed by the automatic mode switch operation into the manual speed change mode for performing the speed change of the main speed change device by an acceleration/deceleration switch and the automatic speed change mode for performing the speed change of the main speed change device by an accelerator pedal. A means is provided, which couples or uncouples right and left brakes. When the vehicle speed exceeds the predetermined value, and the right and left brakes are not coupled with each other, the display for promoting the coupling of the right and left brakes is made on a liquid crystal display unit 84.


Inventors:
ONO HIROYOSHI
ISHIDA TOMOYUKI
KAJINO YUTAKA
Application Number:
JP2009083604A
Publication Date:
September 24, 2009
Filing Date:
March 30, 2009
Export Citation:
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Assignee:
ISEKI AGRICULT MACH
International Classes:
B60T7/04; B60T8/00; F16H61/02; F16H63/40; F16H59/04; F16H59/08; F16H59/18; F16H61/682
Domestic Patent References:
JP2003278903A2003-10-02
JP2000355272A2000-12-26
JPH06241301A1994-08-30
JPH1038064A1998-02-13
JPH10109625A1998-04-28
JP2000027989A2000-01-25