The ornamental design for a skid mounted lighttower with generator, as shown and described.
FIGS. 1 and 2 are front perspective views of the embodiment of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIGS. 3 and 4 are rear perspective views of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIGS. 5 and 6 are front views of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIGS. 7 and 8 are left side views of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIGS. 9 and 10 are rear views of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIGS. 11 and 12 are right side views of the skid mounted light tower with generator, showing the light tower in an extended and in a retracted position respectively;
FIG. 13 is a top view of the skid mounted light tower with generator; and,
FIG. 14 is a bottom view of the skid mounted light tower with generator.
The broken lines shown in the drawings form no part of the claimed design.