Motor Grader Circle

FIG. 1 is a perspective view of a motor grader circle showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left side view thereof; FIG. 5 is a right side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. The dashed broken lines depict portions of the motor grader circle which form no part of the claimed design.