Its a Warn, check around and you'll find; its a good brand. 8000pds is enough for the Liberty. Rule of thumb is 2x the curb wieght of the vehicle its being mounted on.
Is the winch new? if not, I'd want to see it operate, check winch in and out, make sure you get the wired controller.
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2005 CRD "
Ol' Blue"
Red Ryder carbine-action, two hundred shot range model air rifle with a compass in the stock and this thing which tells time.
My build page- RL Komodo Rear and TJM Front Bumper, armored, lifted, JBA Steel D30, 4.10s and ARB air lockers.