Abstract: Provided is an engine device for which an increase in width can be suppressed due to the size of an EGR cooler. The engine device comprises: a cylinder block; a cylinder head; an exhaust manifold; and an EGR cooler. The cylinder head is disposed above the cylinder block. The exhaust manifold is disposed on one side surface of the cylinder head and circulates exhaust gas exhausted from the cylinder head. The EGR cooler is disposed below the exhaust manifold and cools EGR gas constituting a portion of the exhaust gas exhausted from the exhaust manifold.

Abstract: A hydraulic excavator as an electric work machine includes: an electric motor; a battery unit that stores electric power for driving the electric motor; a hydraulic oil tank that contains hydraulic oil, and a hydraulic pump that is driven by the electric motor and connected to the hydraulic oil tank. The electric motor, the hydraulic pump, and the hydraulic oil tank are arranged below the battery unit on a machine body frame, and are arranged side by side in a lateral direction of the machine body frame.

Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.

Abstract: A positioning processing unit measures the position of a work vehicle by a predetermined positioning method on the basis of a GNSS signal received from a satellite. A travel processing unit causes the work vehicle to travel automatically on the basis of position information of the work vehicle. A switching processing unit can switch between an RTK method and a DGPS method. A setting processing unit sets the work mode of the work vehicle to either a work accuracy preferential mode or a work continuity preferential mode. The switching processing unit switches between the RTK method and the DGPS method on the basis of the work mode and the positioning state.

Abstract: Provided is a hydraulic shovel as an electric work machine, the hydraulic shovel comprising: a charger that supplies electric power from an external power source to a battery to charge the battery; an electric motor that is driven with electric power supplied from the battery; a hydraulic system including a hydraulic pump driven by the electric motor and a hydraulic actuator to which pressure oil is supplied by the hydraulic pump; a control unit that manages a physical quantity indicating the operation status of the electric motor as first operation information, and manages a physical quantity indicating the operation status of the battery including charging and discharging as second operation information; and an output unit that outputs the first operation information and the second operation information.

Abstract: An excavator comprising: an electric motor having a commercial power supply and a battery as the drive power sources therefor; and a hydraulic actuator having a hydraulic pump driven by the electric motor, as the hydraulic source therefor. The excavator has: a first power supply mode in which the electric motor is driven while the battery is being charged by the commercial power supply; and a second power supply mode in which the electric motor is driven only by the battery. A power supply cable for supplying power from the commercial power supply is connected to a power supply port and, if the electric motor has stopped operating, the excavator moves from the second power supply mode to the first power supply mode.

Abstract: A shovel is provided with a traveling body, a turning body, and a reception unit. The turning body is disposed on top of the traveling body, and turns about a turning axis with respect to the traveling body. The reception unit receives, from a reference station, specification information for specifying the position of the turning body. The reception unit is disposed between the turning axis and the rear end of the turning body. The turning body preferably includes a cabin. The reception unit is preferably disposed in a rear portion of the cabin.

Abstract: This display device of a work machine includes a storage unit that stores the cumulative times of use of consumables of the work machine, wherein the consumables require maintenance according to the use thereof. Furthermore, a display control unit and a display unit included in the display device function as a notification means for providing a notification of the arrival of maintenance times of the consumables on the basis of the cumulative times. Furthermore, the display control unit and the display unit function as a plurality of function setting means for respectively setting a plurality of functions of the work machine, and as a selection means for selecting one of the plurality of function setting means. The plurality of function setting means have a reset setting means for resetting the cumulative times.

Abstract: A tractor includes an engine, a vehicle body, a rear PTO shaft, a central PTO shaft, a permission switch, and a control unit. The engine is configured to generate power. The vehicle body includes an operator's seat. The rear PTO shaft is configured to supply power generated by the engine to a rear work machine attached to a rear part of the vehicle body. The central PTO shaft is configured to supply power generated by the engine to a central work machine attached to a central part of the vehicle body. The permission switch is operable by an operator. The control unit indicates that the permission switch is operated as one of permission conditions for rotation of the rear PTO shaft after disembarkation, and indicates that the permission switch is operated as one of permission conditions for rotation of the central PTO shaft when moving backward.

Abstract: A work vehicle according to the present embodiment comprises: a vehicle body; a pair of traveling parts disposed on both sides of the vehicle body; a cabin which is a front part of the vehicle body and disposed above the traveling parts; an arm which is disposed above the traveling parts and extends forward from behind the cabin and which is pivoted so as to be capable of swinging upward and downward; a first link for connecting the vehicle body and the arm; a cylinder for swinging the arm; a second link which is disposed between the arm and the traveling parts, and restricts the swing direction of the arm; a first pivoting part for pivoting one end of the first link; and a sixth pivoting part for pivoting the other end of the second link at a protruding end of a protrusion part protruding from the arm.

Abstract: An acceptance processing unit accepts, from a user, an operation to set each of a plurality of action items related to actions to be executed by a work vehicle when the work vehicle reaches a predetermined position corresponding to an end point of a work route on which the work vehicle is caused to autonomously travel. A setting processing unit sets each of the plurality of action items on the basis of the operation of the user.

Abstract: A vehicle control device causes a work vehicle to automatically travel in accordance with a target route set in advance. The generation processing unit generates, in a case where setting information related to automatic traveling is changed after the work vehicle starts automatic traveling corresponding to the target route, a target route with reference to a work-completed route along which the work vehicle has performed work immediately before. The vehicle control device causes the work vehicle to automatically travel in accordance with the target route.

Abstract: An acquisition processing part acquires a captured image from a camera which is installed on a work vehicle. A detection processing part detects an obstacle on the basis of the captured image which is acquired by the acquisition processing part. When an obstacle is detected by the detection processing part, a reception processing part receives a traveling stop instruction for stopping automatic traveling of the work vehicle or a traveling continuation instruction for continuing automatic traveling of the work vehicle. A traveling processing part stops the automatic traveling of the work vehicle when the reception processing part receives the traveling stop instruction, and continues the automatic traveling of the work vehicle when the reception processing part receives the traveling continuation instruction.

Abstract: This display method includes performing: displaying, in a first display region previously set in an operation display part, map information including at least the current position of a work vehicle; displaying, in a second display region previously set in the operation display part, a display item representing the current work situation of the work vehicle; and switching a first display item, which represents a first work situation being displayed in the second display region, into a second display item which represents a second work situation.

Abstract: A construction machine comprises: a work machine mounted on a machine body; an attachment operably mounted on the work machine; an action control means for controlling the action of the attachment; an information acquisition means for acquiring attachment's action information; and a notification means for performing notification of an operation state related to hazardous attachment's action, such notification being on the basis of the action information acquired by the information acquisition means.

Abstract: A control device includes a power storage unit, a balance processing unit, and a control unit. The power storage unit includes a plurality of battery cells, and supplies power to a load. In a case where the load stops, the balance processing unit can execute balance processing of reducing variation in the voltage of each of the plurality of battery cells according to the degree of the variation in the voltage. The control unit generates, for display, a state image indicating the state of the variation according to the degree of the variation.

Abstract: A construction machine includes an engine, a cooling fan, a hood, a heat exchanger, a partition plate, a battery, and a fuse box. The engine has electrical equipment. The cooling fan is mounted to the engine. The hood has an exhaust port. The heat exchanger is disposed between the cooling fan and the exhaust port. The partition plate defines an exhaust air channel between the heat exchanger and the exhaust port. The battery is disposed in a space under the partition plate. The fuse box is connected to a circuit joining the electrical equipment of the engine and the battery. The fuse box is disposed between the battery and the partition plate.

Abstract: An acquisition processing unit acquires position information of a predetermined position of a work vehicle in a field. A registration processing unit registers the predetermined position as a reference point when the work vehicle has traveled a predetermined distance from the predetermined position, or when a predetermined time has elapsed since the work vehicle started to travel from the predetermined position. A generation processing unit generates a target route based on the reference point.

Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.

Abstract: A reception processing unit receives a user operation performed with respect to an operation tool that causes a work vehicle to execute a predetermined motion. A motion processing unit causes the work vehicle to execute a motion corresponding to the user operation performed with respect to the operation tool. A travel processing unit switches from autonomous travel to manual travel when a change amount relating to the operation tool corresponding to the user operation exceeds a threshold while the work vehicle is performing autonomous travel. A setting processing unit sets the threshold based on at least one of setting information and work information of the work vehicle.