I pull a 3500lb pop up camper all over the country with my CRD. I would invest your money in Airlift bags for the rear springs with a load controller that can add or deflate while in the drivers seat. Mine even with a OME lift would squat like a dog when a trailer was hooked up to it. Also, be ready to get all kinds of annoyed with the spare tire every time you pull a trailer

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06 Jeep Liberty CRD

I bought an extended tow bar I think its 18 inches. Takes the spare out of the equation.

I'm also running Monroe load adjusting shocks. Very nice.

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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.

Flip the spare tire mount over to get more clearence. It raises the spare and tilts the bottom inward

I tow a camper that weights between 3000 and 3500# with a 400# tongue weight and per our owners manual at 300# a WDH (weight distributing hitch) is require
With a properly adjusted WDH my jeep does not not squat

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)