I claim the ornamental design for a tractor tire swing, as shown and described.
FIG. 1 is a top perspective view of a tractor tire swing;
FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image of the left elevational view shown;
FIG. 3 is a front elevational view thereof,
FIG. 4 is a rear elevational view thereof,
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.