I have written on bucket spades here on T-B-N five years.
Good tool but inappropriate for a BX.
1. The depth of the Bucket Solution's Bucket Spade clamp slot requires minimum 11-3/4" of
flat bucket depth. How is that relative to the depth dimension of your bucket?
2. The bucket spade weighs 110 pounds, which does not leave you much residual lift for work. As bucket spade is positioned well forward of the bucket, leverage exacerbates the load.
3. The bucket spade is well designed. It has 3" pads under the two threaded clamps but all the strain from the leveraged spade still transfers to the relatively light bucket on a BX. There is a high probability you will mangle your BX bucket, the weak link.
4. I used the bucket spade on a Kubota "B" (B3300SU) with LA504 loader for three years with only paint scuffed on the bucket. However I am old, retired and a prudent operator having sandy-loam soil. Few operators are as patient as myself. I expect your Colorado soil is tougher than my Florida soil.
5. Bucket Spade is now mounted on a Kubota
L3560 with extra cost, rigid, L2296 SSQA heavy-duty, round-back bucket where it is a 100% effective attachment. The largest undecayed stumps I tackle are 3" softwood, 2-1/2" hardwood. I cut some roots with the bucket spade, then pull out with chains after a soaking rain.
Someone should make a SSQA attach bucket spade, eliminating the bucket.
Photos show bucket spade on the B3300SU.
MORE:
http://www.tractorbynet.com/forums/attachments/328798-bucket-spade-today-fel-bucket.html?highlight=
MANUFACTURED IN COLORADO:
Tractor and Skidsteer bucket spade shovel