I got a new bucket, actually a grapple-bottom bucket (the bottom half of a grapple), from Wild Kat (in Denton, NC 336-857-2564) off eBay, to let me lift piles of debris/ branches/ bushes or push the teeth into the ground & pry roots/ saplings out. This one is 66" wide & they call it their "HD Deep Grapple" ... "Deep" because the teeth are long for penetrating deep into the ground, & "HD" because this thing is definitely heavy duty! All 7 teeth & their triangular braces are 1/2" thick steel. The verticals are 5/16" steel. I don't know what thickness the horizontal members are, but this thing is really heavy; maybe actually too heavy for my tractor, but so far so good, though I haven't tried lifting anything really heavy with it, yet.
I did have a problem with this bucket in that my Kubota's SS QA securing pins didn't press against the Wild Kat bucket's QA securing surface. There was a gap of about 3/8" - 7/16" of an inch, so the bucket could literally move all around sloppily. I was afraid it would actually fall off, or damage/ twist my loader, so I contacted Wild Kat. They said they had never heard of this problem, but UPS'd me 2 additional "lap plates" to have welded on to take up the gap. I took the bucket & the plates to a local guy who welds, & he charged me $30 to prep the area & weld the plates on. I brought the bucket back to the tractor, tried it out & now the fitment is nice & tight with no more play/slop. I wire-brush cleaned the lap plates, welds & general area, spray painted it black, & it's done.
Other than that issue, this thing is built like a beast! Welds seem really good, strong & complete, running along all edges of all joined metal pieces (as opposed to occasional tacking).
The full, complete 66" HD Deep Grapple is $1,700, & Wild Kat sold me this bottom half for $700 + $162 shipping.
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OEM Kubota bucket fitment; Note how the sloped surface of the securing pin is jammed tight against the bucket's securing surface, as it should be, which secures the bucket nice & tightly:
The gap:
I measured the dimensions of all of the various structural SS QA members on both my Kubota OEM bucket & the Wild Kat grapple bucket, & they were very similar, within about 1/16" of each other. I happened to notice a gap in between the OEM Kubota bucket & the Kubota SS QA mounting surfaces, seen in this pic, that I think must've been the difference between the 2 fitments:
Here is the fix:
Unpainted:
Painted:
Final: