LibertyFever wrote:
I have a 4 cyl YJ with a 4" lift on it and I've towed a single axle utility trailer hundreds a miles before.
Of course I did need a drop hitch. You could always buy an adjustable height hitch.
I was going to suggest you wire up an electric brake for your trailer but most U-Haul trailers use hydraulic brakes built into the hitch.
While towing with a KJ use the cruise control and turn off the OD.
This is what I routinely tow

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I've done the same towing my LJ a few times. With my hitch I have to do some awkward stuff holding the tailgate open just right to get the trailer onto the ball, once it's on there's no problems. The spare is in the way, but any more drop on my receiver hitch will cause the trailer to ride nose down. Are u guys using an extension or something?
OP, my tip is to stop and let your rig cool if you feel it has been worked pretty hard, act like your stopping distance has tripled, and don't exceed rated capacity. Just because your rig can tow it, doesn't mean it's safe.