I'll be watching, too. You can see my 25B build here
http://www.rctruckandconstruction.co...ead.php?t=3705
I haven't done anything on it for a few years now because I've moved and don't have a place to set up my shop yet.
And another crane project here with a clam.
http://www.rctruckandconstruction.co...read.php?t=992
Don't be afraid to build weight into a clam. Weight equals digging ability.