B3300SU, I was barely able to lift it. I think my spec is 700 and something for lift capacity so probably right around 700 lbs and then if you use one and put to hard work like I have you will bend a tooth every now and then. To help control heavy loads in my bucket I will usually use some...
I custom built mine and used a diverter valve to run the grapple. My diverter is wired up to my loader lever with a button. Love and use it almost every time I get on my tractor. I plumbed in the hydraulics with quick connects so the grapple and lines can be quickly removed.