I do not understand the question...usually the
grapple mounts onto the
loader...
You are referring to a
grapple bucket which indeed may be the best solution here but I think the OP was talking about a separate
grapple.
A bucket
grapple is IMO probably the best thing for something like a Kubota B2660. Your loader is not very powerful and separate grapples weigh about 400+ pounds which reduces your net lift capacity significantly. Althought there are some distinct advantages of a
grapple over a bucket
grapple, unless you have a quick attach set up on your loader (not aware that Kubota sells one for the B line) then it is a problem to get a
grapple with the correct pin mount and also a hassle (though only 15 minutes) to switch the bucket and
grapple.
A
grapple bucket is pretty easy to build based on the standard bucket. Several companies and ebay dealers sell kits to add the upper
grapple arm. I haven't checked recently but I believe you can get them for $350-600. You'll also need to add hydraulics and there are several options there too (figure on spending $500-1000 if the dealer is doing it).
I have a separate
grapple but if I were starting out with a B series Kubota I think I'd go with the bucket
grapple as described. Much more useful than a standard bucket alone with very few negatives other than cost. The only downsides are that the upper
grapple arm does add some weight and for some operations could interfere (imagine trying to put the cutting edge against a building and then "dumping"...with the
grapple bucket the
grapple will hit the building. Little things like that do need to be worked around but in general people with
grapple buckets rave about them. Check out 3RRL's posts.