Abstract: A shovel includes a lower traveling body, an upper turning body turnably attached to the lower traveling body, an automatic greasing device mounted on the upper turning body, and a control device configured to control the automatic greasing device. The control device is configured to control timing to start greasing by the automatic greasing device based on the past operating condition of the shovel.

Abstract: A shovel includes an upper swing structure, a cab mounted on the upper swing structure, and an operating lever provided in the cab. The operating lever includes a lever part to which a grip part is fixed, a holder part to which the lever part is connected, and a joint part connecting the lever part and the holder part. The lever part is configured to be attachable to and detachable from the holder part in a tool-free manner with a predetermined manual operation on the joint part.

Abstract: A shovel includes a traveling body, a turning body turnably mounted on the traveling body, an attachment attached to the turning body and including a boom, an arm, and a bucket, and a processor, wherein the processor is configured to relatively slow down an operation of the attachment in such a direction as to terminate a state in which the traveling body is lifted, after the shovel enters the state in which the traveling body is lifted.

Abstract: A shovel includes a lower travel body, an upper swivel body that is swingably installed on the lower travel body, an attachment that is installed on the upper swivel body, and a posture detecting device that detects a posture of the attachment, wherein a virtual plane is generated by utilizing information about a position of a predetermined portion of the attachment obtained from an output of the posture detecting device.

Abstract: A work machine includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure, a surrounding area monitor, and a display. The display is configured to display guidance with respect to an object detected by the surrounding area monitor.

Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, an attachment attached to the upper turning body, an attachment actuator configured to move the attachment, and processing circuitry configured to assist an operator so that a level difference between two adjacent finished surfaces becomes equal to or less than a predetermined value.

Abstract: A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an engine mounted on the upper swing structure, a first hydraulic pump and a second hydraulic pump each configured to be driven by the engine, a first regulator configured to control the first geometric displacement of the first hydraulic pump, a second regulator configured to control the second geometric displacement of the second hydraulic pump, and processing circuitry configured to electrically control the first and second regulators. Each of the first and second hydraulic pumps is an electrically controlled variable displacement hydraulic pump. The processing circuitry is configured to calculate the limit value of the first and second geometric displacements based on the respective discharge pressures of the first and second hydraulic pumps, and to control each of the first and second geometric displacements based on the calculated limit value.

Abstract: An excavator may include a lower traveling body; an upper turning body pivotally installed to the lower traveling body; an engine installed in the upper turning body; a main pump driven by the engine; and a processor and a memory that stores program instructions causing the processor to control a flow rate of hydraulic oil discharged by the main pump. The program instructions can cause the processor to, when a load of the engine increases, delay a response of the main pump 14 until an actual torque of the engine rises up to a level corresponding to the load of the engine.

Abstract: A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, a first hydraulic pump provided on the upper swing structure, an attachment attached to the upper swing structure, a first actuator, a second actuator, a first directional control valve corresponding to the first actuator, a second directional control valve corresponding to the second actuator, a first conduit connecting the first hydraulic pump and the first directional control valve, a second conduit connecting the first conduit and the second directional control valve, a control valve installed in the second conduit, and processing circuitry configured to control the opening area of the control valve according to information on work details.

Abstract: A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an engine mounted on the upper swing structure, a hydraulic pump configured to be driven by the engine, and processing circuitry configured to determine a command value by energy saving control and to control a flow rate of hydraulic oil discharged by the hydraulic pump according to the command value. The processing circuitry is configured to control the command value.

Abstract: A shovel includes a lower traveling body, an upper rotating body rotatably mounted on the lower traveling body, a cab mounted on the upper rotating body, a left monitor mounted on a left pillar inside the cab, a right monitor mounted on a right pillar inside the cab, a left camera configured to capture an image of an area on a left side of the upper rotating body, a right camera configured to capture an image of an area on a right side of the upper rotating body, and a controller configured to control both the left monitor and the right monitor. The controller is configured to cause the left monitor to continuously display a mirror image generated from the image captured by the left camera, and to cause the right monitor to continuously display a mirror image generated from the image captured by the right camera.

Abstract: A shovel includes an upper swing structure, a cab mounted on the upper swing structure, and an operating lever provided in the cab. The operating lever includes a lever part to which a grip part is fixed, a holder part to which the lever part is connected, and a joint part connecting the lever part and the holder part. The lever part is configured to be attachable to and detachable from the holder part in a tool-free manner with a predetermined manual operation on the joint part.

Abstract: A shovel includes an undercarriage, an upper swing structure swingably attached to the undercarriage, and an automatic greaser mounted on the upper swing structure. The automatic greaser is configured to individually change the amount of grease fed to a first greasing point among multiple greasing points and the amount of grease fed to a second greasing point among the multiple greasing points based on information on the multiple greasing points.

Abstract: A shovel includes a traveling body, a turning body turnably mounted on the traveling body, an attachment attached to the turning body and including a boom, an arm, and a bucket, and a processor, wherein the processor is configured to relatively slow down an operation of the attachment in such a direction as to terminate a state in which the traveling body is lifted, after the shovel enters the state in which the traveling body is lifted.

Abstract: A shovel includes a lower traveling body, an upper turning body turnably attached to the lower traveling body, an automatic greasing device mounted on the upper turning body, and a control device configured to control the automatic greasing device. The control device is configured to control timing to start greasing by the automatic greasing device based on the past operating condition of the shovel.

Abstract: A shovel includes a lower traveling body, an upper rotating body rotatably mounted on the lower traveling body, a cab mounted on the upper rotating body, a left monitor mounted on a left pillar inside the cab, a right monitor mounted on a right pillar inside the cab, a left camera configured to capture an image of an area on a left side of the upper rotating body, a right camera configured to capture an image of an area on a right side of the upper rotating body, and a controller configured to control both the left monitor and the right monitor. The controller is configured to cause the left monitor to continuously display a mirror image generated from the image captured by the left camera, and to cause the right monitor to continuously display a mirror image generated from the image captured by the right camera.

Abstract: A turning control apparatus includes a turning body and a hydraulic motor to turn the turning body. A high-pressure relief circuit relieves hydraulic pressure of a first hydraulic line at a first relief pressure, the first hydraulic line supplying an operating oil to drive the hydraulic motor. A hunting reduction circuit relieves a hydraulic pressure of a second hydraulic line at a pressure lower than the first relief pressure, the second hydraulic line being connected to a deceleration-side hydraulic port from which the operating oil is discharged when the hydraulic motor is being driven. The hunting reduction circuit connected to the deceleration-side hydraulic port is caused to open before an operation lever to operate turning of the turning body returns to a neutral position.

Abstract: A shovel includes an attachment including a working assembly, a diesel engine provided with a supercharger, an oil hydraulic pump connected to the diesel engine provided with the supercharger, and a controller that executes a preload boost function, wherein the preload boost function is for increasing boost pressure of the supercharger prior to increasing a hydraulic pressure load on the oil hydraulic pump, wherein a range accessible by a predetermined part of the attachment includes a partial range at which, upon the working assembly being operated, the preload boost function is to be executed and a partial range at which, upon the working assembly being operated, the preload boost function is not to be executed.

Abstract: A hybrid shovel includes an engine that is controlled at a constant revolution speed, a motor generator that assists the engine, a control part that controls a drive of the motor generator, and a hydraulic pump that is driven by the engine. The control part causes the motor generator to assist the engine when a revolution speed of the engine is lower than the constant revolution speed due to a load of the hydraulic pump. The control part causes the motor generator to decrease an assist output to said engine before the revolution speed of the engine returns to the constant revolution speed.

Abstract: A shovel includes an attachment including a working assembly, a diesel engine provided with a supercharger, an oil hydraulic pump connected to the diesel engine provided with the supercharger, and a controller that executes a preload boost function, wherein the preload boost function is for increasing boost pressure of the supercharger prior to increasing a hydraulic pressure load on the oil hydraulic pump, wherein a range accessible by a predetermined part of the attachment includes a partial range at which, upon the working assembly being operated, the preload boost function is to be executed and a partial range at which, upon the working assembly being operated, the preload boost function is not to be executed.