Edging tools for work machines

A work machine comprising:

• a frame extending along a length in a Y axis direction, a width in an X axis direction perpendicular to the Y axis direction, and a height in a Z axis direction perpendicular to the X axis direction and the Y axis direction;
• a front ground contacting member rotatably coupled with the frame at a first position;
• a rear ground contacting member rotatably coupled with the frame at a second position rearward of the first position in the Y axis direction;
• a tool mount extending along the width of the frame;
• a linkage coupled with the frame and coupled with the tool mount, the linkage including a suspension element structured to accommodate movement of the tool mount in response to externally applied force;
• a tool assembly coupled with the tool mount, the tool assembly including an arm extending in the Y axis direction toward the second position, a ground working tool coupled with the arm such that the ground working tool is positioned rearward of the tool mount, and a tool mount ground contacting member rotatably coupled with the tool mount;
• and
• an actuator system structured to selectably adjust the position of the tool mount in the Z axis direction such that the tool mount and the tool assembly are adjustable from a first position in which the tool mount ground contacting member is spaced apart from an underlying ground surface, a second position in which the tool mount ground contacting member contacts the underlying ground surface and the suspension element is in a first state of compression, and a third position in which the tool mount ground contacting member contacts the underlying ground surface and the suspension element is in a second state of compression including greater compression than the first state, and in both the second position and the third position to selectably rotate the tool mount about a rotational axis to vary a depth of penetration of the ground working tool into the underlying ground surface.