FIG. 1 is a top view of the gearbox housing showing my new design;
FIG. 2 is a left side view of the gearbox housing of FIG. 1;
FIG. 3 is a bottom view of the gearbox housing of FIG. 1;
FIG. 4 is a rear view of the gearbox housing of FIG. 1;
FIG. 5 is a front view of the gearbox housing of FIG. 1;
FIG. 6 is a right side view of the gearbox housing of FIG. 1.
FIG. 7 is an elevated perspective view of the gearbox housing of FIG. 1;
FIG. 8 is another elevated perspective view of the gearbox housing of FIG. 1;
FIG. 9 is a perspective view of the gearbox housing of FIG. 1;
FIG. 10 is a top view of the gearbox housing of FIG. 1 with a lid removed;
FIG. 11 is a left side view of the gearbox housing of FIG. 1 with the lid removed;
FIG. 12 is a bottom view of the gearbox housing of FIG. 1 with the lid removed;
FIG. 13 is a rear view of the gearbox housing of FIG. 1 with the lid removed;
FIG. 14 is a front view of the gearbox housing of FIG. 1 with the lid removed; and,
FIG. 15 is an elevated perspective view of the gearbox housing of FIG. 1 with the lid removed.
The portions of the Figures shown in broken line are for illustrative purposes only and form no part of the claimed design.