Abstract: An apparatus comprises a first elongate member configured to detachably and fixedly couple with a work machine in a tow-behind configuration, a two-axis joint member coupled with the first elongate member at a first joint permitting rotation of the two-axis joint member relative to the first elongate member about a first axis of rotation, a rigid frame portion including a second elongate member coupled with the two-axis joint member at a second joint permitting rotation of the second elongate member relative to the two-axis joint member about a second axis of rotation perpendicular to the first axis of rotation and a third elongate member extending perpendicular to the second elongate member, a surface conditioning tool extending parallel to the third elongate member and coupled with the rigid frame portion at a third joint and at a fourth joint permitting rotation of the surface conditioning tool relative to the rigid frame portion about a third axis of rotation parallel to the second axis of rotation, and a

Abstract: A work machine is operatively coupled with a bucket attachment. A lift mechanism coupled with the work machine is adjustable to a plurality of Z-axis positions. The bucket attachment includes a bucket rotatably coupled with a frame. The frame is rotatably coupled with a rear end of the work machine and is coupled with the lift mechanism by at least one flexible rigging. The lift mechanism is adjustable to a first position in which the frame is rotated so that the bucket contacts the underlying ground surface and the flexible rigging does not support any of a weight of the frame and to a second position in which the frame is rotated so that the bucket is raised above the underlying ground surface and the flexible rigging supports at least a portion of the weight of the frame.

Abstract: An apparatus includes a roller assembly including a roller frame and ground-contacting roller rotatably coupled with the roller frame. A suspension assembly includes a compressible suspension member operatively coupled with the roller assembly. A flexible rigging assembly includes an upper flexible rigging member and a lower flexible rigging member operatively coupled with the suspension assembly. The flexible rigging assembly is adjustable between a first state in which the upper flexible rigging member is taut and the lower flexible rigging member has a non-zero amount of upper flexible rigging member slack and a second state in which the lower flexible rigging member is taut and the upper flexible rigging member has a non-zero amount of lower flexible rigging member slack.

Abstract: A work machine includes a roller rotatably coupled with a chassis by a suspension and an actuator operatively coupled with the chassis and the suspension and adjustable to adjust the suspension and the roller to a first position wherein the roller is raised above an underlying ground surface with rearward and forward wheels contacting an underlying ground surface, a second position wherein the roller is in contact with the underlying ground surface with the rearward and forward wheels contacting the underlying ground surface, and a third position wherein the roller is in contact with the underlying ground surface with the rearward wheels contacting the underlying ground surface and the forward wheels raised above the underlying ground surface.

Abstract: A surface conditioning drag tool apparatus includes a plurality of fencing members each extending laterally along a width of the drag tool and spaced apart from one another at a plurality of locations between a front end and a rear end of the drag tool. The plurality of fencing members include a plurality of lower ground contacting extremities and a plurality of upper extremities spaced apart from one another in height and a frame coupled with and positioned above the plurality of ground working fencing members.

Abstract: A work machine includes a first actuator operatively coupled with a first suspension element and a second actuator operatively coupled with a second suspension element. A grading tool assembly is operatively coupled with the first suspension element and the second suspension element. A receiver is operatively coupled with the chassis and configured and operable to detect a wireless signal. An electronic controller is in operative communication with the receiver, the first actuator, and the second actuator and is configured and operable to control the first actuator and the second actuator in response to a wireless signal detected by the receiver.

Abstract: Work machines including automatic grading features and functions. One exemplary embodiment is a work machine including a chassis, ground contacting members rotatably coupled with the chassis and an actuator coupled with the chassis. A pole assembly extends above the chassis. A receiver is coupled with the pole assembly and structured to detect a wireless signal. An electronic controller is in operative communication with the receiver and the actuator, the electronic controller structured to adjust an actuator in response to a wireless signal detected by the receiver. The actuator is adjustable to vary position of the receiver and to vary position of a grading tool assembly coupled with a suspension.

Abstract: One exemplary embodiment is a hitch assembly including forward and rearward lateral members, first and second longitudinal members and a lifting member which are coupled together to form a laterally-articulating pitch-adjustable quadrilateral. The forward lateral member is coupled with the first longitudinal member by a first joint and the second longitudinal member by a second joint. The rearward lateral member is coupled with the first longitudinal member by a third joint and the second longitudinal member by a fourth joint. The lifting member is coupled with the rearward lateral member by a first flexible rigging member and a second flexible rigging member. The quadrilateral can articulate between a left-leaning configuration, a rectangular configuration, and a right-leaning configuration. The lifting member can be adjusted to vary an amount of slack in one or both of the flexible rigging members and to raise and lower the rearward lateral member.

Abstract: Work machines including automatic grading features and functions are disclosed. One exemplary embodiment is a work machine including a chassis, ground contacting members rotatably coupled with the chassis and an actuator coupled with the chassis. A pole assembly extends above the chassis. A receiver is coupled with the pole assembly and structured to detect a wireless signal. An electronic controller is in operative communication with the receiver and the actuator, the electronic controller structured to adjust an actuator in response to a wireless signal detected by the receiver. The actuator is adjustable to vary position of the receiver and to vary position of a grading tool assembly coupled with a suspension.

Abstract: Unique self-propelled soil working machines are disclosed. In certain exemplary embodiments the self propelled soil working machine includes a tool carrier which is actively adjustable to provide variable downward force on a soil working tool via a suspension element which is further passively responsive to accommodate motion of the tool in response to external force. In certain exemplary embodiments, the tool carrier is configured to adjust the working depth and pitch of the tool. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and figures.

Abstract: One embodiment includes a grading tool structured for attachment to a work machine. The grading tool includes a frame, ground contacting wheels coupled with the frame, a comb coupled with the frame and extending from a first end of the frame, and a coupling member coupled with the frame and structured to be accessible from a second end of the frame. When the ground contacting wheels are in contact with the ground a depth of penetration of the comb into the ground surface is adjustable by changing the pitch of the grading tool.

Abstract: A grading tool comprises a frame extending between a hitch and a ground contacting member. A first adjustment mechanism and a lever are coupled with the frame. A suspension assembly including a spring is coupled with the lever. A grading box assembly is coupled with the frame and with the suspension assembly. The spring is compressible to accommodate motion between the lever and the grading box assembly. A second adjustment mechanism is coupled with the frame and the grading box assembly and is adjustable to selectably increase and decrease in length. A fixation member is coupled with the grading box assembly and is selectably coupleable with the frame to fix a first side of the grading box assembly vertically relative to the frame while allowing vertical movement of a second side of the of the grading box assembly relative to the frame.

Abstract: Unique self-propelled soil working machines are disclosed. In certain exemplary embodiments the self propelled soil working machine includes a tool carrier which is actively adjustable to provide variable downward force on a soil working tool via a suspension element which is further passively responsive to accommodate motion of the tool in response to external force. In certain exemplary embodiments, the tool carrier is configured to adjust the working depth and pitch of the tool. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and figures.

Abstract: Work machines including automatic grading features and functions. One exemplary embodiment is a work machine including a chassis, ground contacting members rotatably coupled with the chassis and an actuator coupled with the chassis. A pole assembly extends above the chassis. A receiver is coupled with the pole assembly and structured to detect a wireless signal. An electronic controller is in operative communication with the receiver and the actuator, the electronic controller structured to adjust an actuator in response to a wireless signal detected by the receiver. The actuator is adjustable to vary position of the receiver and to vary position of a grading tool assembly coupled with a suspension.

Abstract: Work machines including automatic grading features and functions. One exemplary embodiment is a work machine including a chassis, ground contacting members rotatably coupled with the chassis and an actuator coupled with the chassis. A pole assembly extends above the chassis. A receiver is coupled with the pole assembly and structured to detect a wireless signal. An electronic controller is in operative communication with the receiver and the actuator, the electronic controller structured to adjust an actuator in response to a wireless signal detected by the receiver. The actuator is adjustable to vary position of the receiver and to vary position of a grading tool assembly coupled with a suspension.

Abstract: One embodiment is a work machine including an actuator coupled with a chassis, a suspension coupled with the actuator, and a tool mount coupled with the suspension. A grading tool assembly is coupled with the tool mount. A wireless receiver is coupled with the suspension. An electronic controller in operative communication with the receiver and the actuator is structured to adjust the actuator in response to a signal received by the receiver effective to simultaneously adjust the position of the receiver and the force applied to the suspension. A grading indicator is coupled with the suspension and provides a visually perceptible indication of a current state of grading relative to a desired state of grading.

Abstract: One embodiment is a work machine including a frame extending along a length, a width and a height. Front and rear ground contacting wheels are rotatably coupled with the frame. A linkage is coupled with the frame and a tool mount coupled with the linkage. A suspension element accommodates movement of the tool mount in response to external force. An actuator system is structured to move the tool mount through translation and/or rotation. An edging tool assembly is coupled with the tool mount and includes a ground working implement.

Abstract: One exemplary embodiment is a grading tool comprising a frame extending between a hitch and a ground contacting member. A first adjustment mechanism and a lever are coupled with the frame. A suspension assembly including a spring is coupled with the lever. A grading box assembly is coupled with the frame and with the suspension assembly. The spring is compressible to accommodate motion between the lever and the grading box assembly. A second adjustment mechanism is coupled with the frame and the grading box assembly and is adjustable to selectably increase and decrease in length. A fixation member is coupled with the grading box assembly and is selectably coupleable with the frame to fix a first side of the grading box assembly vertically relative to the frame while allowing vertical movement of a second side of the of the grading box assembly relative to the frame.

Abstract: One embodiment is a tow-behind grading tool structured for attachment to a work machine. The tool includes a frame, ground contacting members rotatably coupled with the frame, a comb coupled with the frame and extending from a first end of the frame, a tow coupling member coupled with the frame and located proximate a second end of the frame, the second end of the frame being opposite the first end of the frame, a drag bar assembly including a plurality of arms rotatably coupled with the frame and drag bar rotatably coupled with the plurality of arms, and at least one spring coupled with the frame and the drag bar assembly such that the spring resists upward rotation of the drag bar and provides force urging the drag bar to rotate downward after upward rotation of the drag bar.

Abstract: Unique self-propelled soil working machines are disclosed. In certain exemplary embodiments the self propelled soil working machine includes a tool carrier which is actively adjustable to provide variable downward force on a soil working tool via a suspension element which is further passively responsive to accommodate motion of the tool in response to external force. In certain exemplary embodiments, the tool carrier is configured to adjust the working depth and pitch of the tool. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and figures.