Abstract: An agricultural tractor includes a vehicle frame, and a front housing supported by the vehicle frame. The front housing includes, a fixed housing portion fixed to the vehicle frame, a movable housing portion supported by the vehicle frame or the fixed housing portion and being openable and closeable.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a power take-off shaft drivable by the motor and to which an implement is connectable, and a controller configured or programmed to be operable in various control modes including a normal mode and an output limitation mode in which an upper limit value of electric power supplied from the fuel cell module to the motor is smaller than in the normal mode. In the output limitation mode, the controller is configured or programmed to alter the upper limit value of the electric power supplied to the motor according to at least one of a type of the implement connected to the power take-off shaft and a type of work performed by the implement.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a travel device drivable by the motor, a power take-off shaft drivable by the motor and to which an implement is connected, and a controller. In response to an operation stop command, the controller is configured or programmed to stop supply of the fuel or the oxidizing gas to the fuel cell module, and then rotate the motor with power from the motor to the travel device halted, thus discharging residual charge in circuitry connected to the motor.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, a motor connected to the fuel cell module, a travel device to be driven by the motor, a controller configured or programmed to control the motor, and a positioning system. The controller is configured or programmed to change a manner of stopping the motor when a travel stop command is issued during motor operation, depending on whether a position of the work vehicle identified by the positioning system is within a field or not. The controller is configured or programmed to make a time from when the travel stop command is issued until the motor stops shorter when the position of the work vehicle is within the field than when the position of the work vehicle is outside the field.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack and a coolant pump, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a vehicle frame supporting the fuel cell module, the at least one fuel tank, and the motor, the vehicle frame rotatably supporting front and rear wheels, and a cooling system to circulate coolant via the coolant pump. The cooling system includes a first radiator positioned on one side of the fuel cell module, and a second radiator positioned on another side of the fuel cell module.

Abstract: A work vehicle includes a fuel cell power generation system, an inverter connected to the fuel cell power generation system, a motor connected to the inverter, and a vehicle frame supporting the fuel cell power generation system, the inverter, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels. The vehicle frame includes a transmission case housing a transmission to transmit driving force from the motor to the rear wheels. The inverter is at a side of the transmission case.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a sensor to measure a remaining amount of fuel in the at least one fuel tank, a motor connected to the fuel cell module, a power take-off shaft driven by the motor and to which an implement is connected, a display, and a processor configured or programmed to estimate, based on the measured remaining amount of fuel and a type of the implement connected to the power take-off shaft and/or a type of work performed by the implement, at least one of a travelable distance, a travelable area, or a travelable time with the work, and to display an estimation result on the display.

Abstract: A work vehicle includes a fuel cell, and a fuel tank module including fuel tanks to store fuel to be supplied to the fuel cell, a valve system connected to the fuel tanks, and a tank case housing the fuel tanks and the valve system. The fuel tanks include a first fuel tank with a first length in a first direction, and second fuel tank with a second length shorter than the first length in the first direction. The first fuel tank and the second fuel tank are arranged in a second direction perpendicular or substantially perpendicular to the first direction. At least a portion of the valve system is in a space between the second fuel tank and the tank case inside the tank case.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a vehicle frame that supports the fuel cell module, the at least one fuel tank, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels, and an electrical circuit module housed in a casing and electrically connected to the fuel cell module and the motor. The electrical circuit module is fixed to either a left side of the vehicle frame, between the left front wheel and the left rear wheel, or a right side of the vehicle frame between the right front wheel and the right rear wheel.

Abstract: An agricultural work vehicle includes a fuel cell power generation system, a first voltage conversion circuit to convert a voltage output from the fuel cell power generation system to output a first voltage, and a second voltage conversion circuit to convert the voltage output from the fuel cell power generation system to output a second voltage higher than the first voltage.

Abstract: A work vehicle includes a driver seat, a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame that supports the driver seat, the fuel cell, and the motor, and a mounting frame fixed to the vehicle frame to support the fuel tank, the mounting frame being positioned across the driver seat.

Abstract: A work vehicle includes a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame supporting the fuel cell, the fuel tank, and the motor, the vehicle frame rotatably supporting front and rear wheels, at least one enclosure housing the fuel cell and the fuel tank, and at least one fuel gas sensor inside the enclosure.

Abstract: A work vehicle includes a driver seat, a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame supporting the driver seat, the fuel cell, and the motor, a mounting frame fixed to the vehicle frame to support the at least one fuel tank, the mounting frame extending across the driver seat, and a front housing covering the fuel cell and being openable and closable. The mounting frame does not interfere with the front housing when a position or orientation of the front housing changes from the closed state to the open state.

Abstract: A work vehicle includes a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame that rotatably supports front wheels and rear wheels, and a fueling port connected to the at least one fuel tank via piping. The fueling port is provided at a position higher than an axle of the front wheels.

Abstract: Provided is a harvester configured to effect a work-performing traveling for harvesting agricultural products in a field while traveling in the field autonomously. This harvester includes a traveling device effecting the work-performing traveling, a machine body supported to the traveling device, a harvesting section supported to a front portion of the machine body and harvesting the products in the field, an imaging device provided at a front portion of the machine body and at a position higher than the harvesting section so as to view down a product present in an un-worked area located forwardly of the harvesting section, a detecting section detecting abnormality in the field from an image imaged by the imaging device, and a controlling section executing an abnormality situation control as a control in accordance with the abnormality detected in the field.

Abstract: An obstacle detection system for an agricultural work vehicle includes: an obstacle estimation unit that estimates a region in a field based on a detection signal from an obstacle sensor in which region an obstacle is present, and outputs obstacle present region information; an image capturing unit that outputs a captured image of the field; an obstacle detection unit that detects the obstacle from an input image and outputs obstacle detection information; and an image preprocessing unit that generates, as an image to be input to the obstacle detection unit, a trimmed image obtained by trimming the captured image so as to include the region in which the obstacle is present, based on the obstacle present region information and shooting-angle-of-view information regarding the image capturing unit.

Abstract: Provided is a working vehicle capable of operation and driving that includes a plurality of image capture devices 4 that capture an image of surroundings of a vehicle body; a direction detection unit 51 that detects an advancement direction of the operation and driving; an image selection unit 52 that acquires, as a detection image, a surrounding area image captured by one image capture device 4 of the plurality of image capture devices 4 capturing a front advancement direction detected by the direction detection unit 51; and a detection unit 53 that analyzes the detection image acquired by the image selection unit 52 and detects an obstacle.

Abstract: A control system includes one or a plurality of functional units, and a control device for exchanging communication data transmitted circularly among the functional units. The control device selects, in accordance with an instruction from a user or in accordance with a predetermined condition, one transfer system of a first transfer system in which a computation processing unit transfers the communication data and a second transfer system in which a DMA controller transfers the communication data.

Abstract: A tractor includes: a driver seat on which a driver can sit; a hood 5 provided in front of the driver seat; and an antenna unit that receives satellite positioning information. When viewed from the front, an upper end portion of a ROPS and at least part of the antenna unit overlap with each other.

Abstract: This autonomous work vehicle travel system is provided with: a satellite positioning module 80 that outputs positioning data indicating a vehicle position of a work vehicle 1; an area setting unit that sets an area CA to be worked in a work site; a route managing unit that calculates a travel route element set, which is an aggregate of multiple travel route elements constituting a travel route that covers the area CA to be worked, and storing the travel route element set so as to be readable; a route element selecting unit that selects a next travel route element to be traveled in sequence from the travel route element set; and an autonomous travel controlling unit that causes the work vehicle 1 to travel autonomously on the basis of the next travel route element and the vehicle position.