I've got a '78 J10 with the 360 V8 AMC engine, and a manual transfer case. I've also got an 8000 lb Warn, worm gear winch on the front bumper, which I built out of 6" channel iron and some heavy wall square tubing. Over the years I've pulled out quite a few stuck vehicles,with the worst being Dad's 440IC Deere dozer. It got stuck in mud level with the tracks, trying to unstick a backhoe that couldn't dig itself out... if that tells you how bad it was. I had the rear bumper (also 6 inch channel) chained to a tree and the winch hooked to the dozer blade. Before the dozer came unstuck the Jeep was completely up in the air, suspended between the chain and the cable. In other words it's ONE TOUGH TRUCK.
Unfortunately, as others have said, it's a rust bucket due to the numerous places that hold all of the mud and gunk that find their way into places like that when using the truck like it was intended to be used. It's a shame because it, to me, it's a beautiful, but tough looking body style. There used to be one near me that had been restored and it was one of the best looking trucks I've ever seen.