You've got the right idea. Traction, a little extra ground clearance, and the ability to put torque on the ground. If you mount a winch on a hitch and put a receiver on your front, bring a ****** strap, a few D shackles, a shovel (spade, preferably), some wood planks or those plastic traction mats, some chain, and a high lift jack. Dont forget a tree saver, leather gloves, and a few towels as well. Safety is #1.
Aside from crawling and going through really deep stuff, you'll make it anywhere a 4wd will. You may just have to stop and get yourself unstuck a little more often.