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FIG. 1 is a front perspective view of a first embodiment of a hydraulic excavator showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a front elevational view thereof;
FIG. 8 is a front perspective view of a second embodiment of a hydraulic excavator showing my new design;
FIG. 9 is a rear perspective view thereof;
FIG. 10 is a right side elevational view thereof;
FIG. 11 is a left side elevational view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a rear elevational view thereof; and,
FIG. 14 is a front elevational view thereof.