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, 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: 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 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 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 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: 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 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: 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, 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 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, 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 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, 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: A working device to be connected to a traveling vehicle having a prime mover, the working device being configured to perform an agricultural work, includes a working portion to rotate to perform an agricultural work, an electric motor to be driven by electric power, a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power to the working portion; and a regeneration resistor to consume a regenerative power generated in the electric motor, the regeneration resistor being arranged at a position to be cooled by wind generated by rotation of the working portion.

Abstract: A working machine includes a machine body, a protection mechanism to protect an operator's seat on the machine body, a heater to heat an inside of the protection mechanism, a radiator device to cool an object to be cooled, the radiator device including a heat exchanger to perform heat exchange between the object and ambient air, and a first flow passage to guide air heated by the heat exchanger to the heater and to guide the air further heated by the heater to the inside of the protection mechanism.

Abstract: An electric tractor includes an electric motor to drive a traveling device; a battery; an inverter to supply electric power from the battery to the electric motor; a vehicle body frame located below a hood located forward of an operator's seat to cover the battery; and a support frame attached to the vehicle body frame, wherein the support frame includes a battery support to support the battery located at a position above the electric motor and above the vehicle body frame, and an inverter support to support the inverter located at a position between the battery support and the vehicle body frame and forward of the electric motor.

Abstract: A spraying support system for a working machine, includes: a support device including a plan creator portion to create a spraying plan representing a relation between field information relating to a field to which spray substance is sprayed and spraying information including spraying amount of the spray substance; a plan obtainer device provided to a working machine having a sprayer device to spray the spray substance and configured to obtain the spraying plan created by the plan creator portion; and a spraying controller device to control a sprayer portion of the sprayer device based on the spraying information of the spraying plan obtained by the plan obtainer device.

Abstract: A generator unit to be attached to a traveling vehicle that has a prime mover and a PTO shaft to transmit power from the prime mover, includes: a generator; an input shaft having: a first connector portion configured to be connected to the PTO shaft; and a second connector portion configured to be connected to a working device to be connected to the traveling vehicle; a transmitter mechanism to transmit, to the generator, power supplied from the PTO shaft, the power being inputted from the first connector portion to the input shaft; and an attachment frame having: an attachment portion to which the generator, the input shaft, and the transmitter mechanism are attached; and a mounting portion configured to be mounted to the traveling vehicle.

Abstract: A working machine includes a battery unit; an electrical component; a radiator; an electrical-component cooling water channel along which cooling water delivered from an outflow port of the radiator is supplied to the electrical component and, after cooling the electrical component, circulates to an inflow port of the radiator; a switching unit provided on the electrical-component cooling water channel; and a battery cooling water channel along which the cooling water is supplied from the switching unit to the battery unit and, after cooling the battery unit, flows to the electrical-component cooling water channel. The switching unit is switchable between a first state of blocking a flow of the cooling water from the electrical-component cooling water channel to the battery cooling water channel and a second state of causing the cooling water to flow from the electrical-component cooling water channel to the battery cooling water channel.