The ornamental design for a truck for a rail traversing car, as shown and described.
FIG. 1 is a perspective view of a truck for a rail traversing car showing
the top, front and one side of the ornamental design.
FIG. 2 is a perspective view thereof showing the top, rear and opposite
side to that shown in FIG. 1 on a reduced scale, it being understood that
the broken lines are for illustrative purposes only.
The bottom of the truck is understood to be flat and unornamented.