FIG. 1 is a front perspective view of a first roof of a tractor with front, rear and lower cameras, front, rear and side lights, and angled corner display screens;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 right side rear view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a bottom perspective view of the roof of the tractor taken along line 9-9 of FIG. 2;
FIG. 10 is a front perspective view of a second roof of a tractor with front, rear and lower cameras, front, rear and side lights, and angled corner display screens;
FIG. 11 is a rear perspective view of the second roof;
FIG. 12 is a right side view of the second roof;
FIG. 13 is a left side view of the second roof;
FIG. 14 is a front view of the second roof;
FIG. 15 right side rear view of the second roof;
FIG. 16 is a bottom perspective view of the second roof of the tractor taken along line 16-16 of FIG. 11;
FIG. 17 is a front perspective view of the first roof in an illuminated state;
FIG. 18 is a rear perspective view of the first roof in the illuminated state;
FIG. 19 is a right side view of the first roof in the illuminated state;
FIG. 20 is a left side view of the first roof in the illuminated state;
FIG. 21 is a front view of the first roof in the illuminated state;
FIG. 22 is a rear view of the first roof in the illuminated state; and,
FIG. 23 is a bottom perspective view of the first roof of the tractor in the illuminated state and taken along line 23-23 of FIG. 18.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings illustrate environmental structure and form no part of the claimed design. The oblique line shading in the drawings illustrate transparent surfaces. The stippling in FIGS. 17-23 is shown to illustrate contrasting surfaces, a contrast between surfaces that are illuminated through the emission of light by the display screens (at the corners of the roof) and surfaces not illuminated. The radiating lines shown in FIGS. 17-23 represent visible light being emitted by the illuminated surfaces (shown with stippling) of the lights in the illuminated state. The lighter broken lines in the drawings illustrate non-static, changing graphics and/or text being presented on the angled corner display screens and form no part of the claim design.