[WestTexasFarmBoy]

They bolt the bucket on the side of the tractor during shipping to save space. . No other purpose than that.

I beg to differ:
XL Backing Plate - BoltOnHooks LLC

 

[WestTexasFarmBoy]

I suppose for clarity I should add that you can add either of these with the above:

I went with the hook personality, nice compliment to the bolt on hooks in the standard positions.

(this is not my tractor - I got this image from Ken's website: Home - BoltOnHooks LLC)