The ornamental design for cover for freight vehicle, as shown and described.
FIG. 1 is a front perspective view of a cover for freight vehicle in accordance with the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view of FIG. 1, illustrating use of the cover applied on top of a truck in an unfolded state; and,
FIG. 8 is a rear view illustrating folding operation of the cover, from an unfolded state (in solid lines) to a partially folded state (in phantom lines on two lateral, upper sides) and a fully folded state (in phantom lines, on two lateral lower sides).
It is noted that phantom lines shown in FIGS. 7 and 8 are not part of claim.