I have been looking hard for a rake style
grapple too. I looked at the one pictured by the OP, but the weight is a factor, as are the boxed tines. They seem like my clay soil would fill the gaps and add a lot of resistance when raking roots. The ETA Root Rake
Grapple is my current front runner. It has the replaceable ripper teeth and the lower tines seem a bit longer than the WR Long style. I would prefer narrower tine spacing, 8-9" instead of 12.5". I like the hard stops at open to save the cylinders while back raking. Having a support bar for the bottom tines is great for most roots and if they are deeper I doubt I can push through heavy soil with even six lower tines. Time for pulling a heavy ripper.
There are not a lot of folks using clamshell rake grapples, at least that talk about their uses on TBN. Besides the "standard" creating and moving brush piles, picking up smaller trees and logs under a ton, and moving rocks and firewood, it's hard to find many other real world examples. Since none of us wants to spend $2-3k on an implement until we have some certainty that it will do our jobs, a lot os speculation is involved.
Can I really dig out blackberry roots as well with a flat bottom L-shape
grapple?
Will I be able to see the top tines when the claw is completely open to get right up against a stall wall or fence?
Which style is really best for picking up waste hay at the end of roll feeding every spring?
Are sharp teeth really better for digging up roots or will they shear them off and leave a lot under ground?
For pushing out blackberries and other vines is a full track width
grapple better than a narrower one?
If bottom tines are more widely spaced will I be able to contain the smaller branches from dead falls after every wind storm, or will I still be picking them up by hand?
Things I do know...
-For my size utility tractor, almost 7300 lbs with FEL, plus filled rear tires, a 900 lb
grapple bounces the front end up and down pretty good when empty. I can lift a 275 gal IBC container full of water, so lift capacity is not an issue for me, but safety on uneven terrain is. Lighter is better.
-Once I get a
grapple, I will wish it was better at some task I haven't even thought of yet, but I will love all it does do.