The ornamental design for a funnel bucketattachment, as shown and described.
FIG. 1 is a perspective view of a funnel bucket attachment showing my new design in use attached through an attachment mount plate to a skidsteer;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a rear perspective view thereof.
The skidsteer shown in FIG. 1 and attachment mount plate shown in broken lines in FIGS. 1-4 denotes the nature and environmental use of the design and are not part of the design.