Towing a XJ with a Hemi XK, my experience!

xjtrailrider

NAXJA Forum User
NAXJA Member
Location
Roanoke VA
I finally got to use my Commander for what I bought it for, towing my XJ.

My XJ, in full trail readiness weighs in at 4500#, the 19' Tow Rite trailer weighs in at 2000# with winch, Valley stabilizing/equalizing hitch.

I was able to tow the mountains of I-81 from Roanoke to Abingdon VA with ease and maintain 70 all while getting 12.8mpg, cold air blowing, iPod cranking loud through the premium sound!

The Hemi XK has a 7400# tow capacity along with the tow package usual stuff(hitch/cooler/7-pin) the XK also has TSC, trailer sway control. My trailer does not sway when loaded properly but if you get a semi blasting by you on one of the long down-hill sections it will actually control the sway caused by the wind off the big rig.

I'm running a Prodigy controller that mounts cleanly in the cubby hole next to the steering column and above my left knee.

brakecontroller.jpg


At one point on my trip I lost trailer brakes suddenly during a quick stop on a wet road going downhill at a stoplight! The XK's ABS stopped the trailer straight but I missed the stop bar by a couple of car lengths. It turns out one of the axles had a bad brake magnet that had shorted out and after 4 hours trying to figure out what had happened and why, I just cut the rear axle out and continued on the front axle alone which was sufficient.

All in all, I'm happy with the XK as a part time tow rig. It's no diesel dually but gets the job done in comfort and at no point did I feel like the "tail was waggin the dog". The Commander had full control over the 6500# behind it!

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I have a friend that tows his lifted TJ with a Hemi XK and loves it as well. I'm glad to hear they are a suitable tow rig, I've always liked Commanders.
 
what rear end? 29 spline 8.25? I would hope they beefed it up to a real 44 or a 60 for a hemi and towing.
 
what rear end? 29 spline 8.25? I would hope they beefed it up to a real 44 or a 60 for a hemi and towing.

Yes, all Commanders(2006-2010) and Grand Cherokees(2005-2011?), Hemi or otherwise, have the Chryco 8.25 29 spline BUT the XK/WK version is a full floating axle. You have to keep in mind that under acceleration the XK is in full time so both axles are pulling and the power is split.

The 8.25 is a much better axle than anyone gives credit to. I'm a member of a couple of different Commander forums and the rear axle has never been an issue. In fact the power train on the XK is fairly solid and trouble free.
 
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