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Discussion Starter #1
Hey all, 2006 5.7 limited with tow pkg
plan on using a hitch carrier to haul my ride up to the trails. Any idea what the capacity on a factory hitch might be? Any recommendations on a lift/suspension upgrade to be able to haul around #400's (plus carrier weight)? Not looking for anything over 4" and 2-3" is more like it. Probably have some weight on the front end soon as well (bumper/winch). Will probably have some other vehicle weight in the fridge and extra battery. As you see, I'm looking to make this into an expedition vehicle. Thanks in advance,,,

jm
 

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From the 2007 service manual:

Trailer Towing Weights (Maximum Trailer Weight Ratings)
The following chart provides the maximum trailer weight ratings towable for your given drivetrain.


Engine/Transmission
Model
GCWR (Gross Combined Wt. Rating)
Frontal Area
Max. GTW (Gross Trailer Wt.)
Max. Tongue Wt. (See Note 1)

3.7L/Automatic
4x2
8,670 lbs (3 933 kg)
40 Sq. Ft (3.72 square meters)
3,500 lbs (1 587 kg) Max Trailer WT.
350 lbs (159 kg)

3.7L/Automatic
4x4
8,755 lbs (3 971 kg)
40 Sq. Ft (3.72 square meters)
3,500 lbs (1 587 kg)Max Trailer WT.
350 lbs (159 kg)

4.7L/Automatic
4x2
11,665 lbs (5 291 kg)
60 Sq. Ft (5.57 square meters)
6,500 lbs (2 948 kg)Max Trailer WT.
650 lbs (295 kg)

4.7L/Automatic
4x4
11,800 lbs (5 352 kg)
60 Sq. Ft (5.57 square meters)
6,500 lbs (2 948 kg)Max Trailer WT.
650 lbs (295 kg)

5.7L/Automatic
4x2
12,470 lbs (5 656 kg)
60 Sq. Ft (5.57 square meters)
7,200 lbs (3 266 kg)Max Trailer WT.
720 lbs (327 kg)

5.7L/Automatic
4x4
12,620 lbs (5 724 kg)
60 Sq. Ft (5.57 square meters)
7,200 lbs (3 266 kg)Max Trailer WT.
720 lbs (327 kg)
 

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As jeep5253 stated, the maximum tongue weight for your XK is 720 lbs. This is likely based on the suspension, but could also be based on the strength of the hitch so I would recommend not exceeding that.

With that being said, you're going to experience some squat with even 400 lbs on your hitch. There are a few ways to combat this, but given that you'll be looking to add a bumper and winch on the front as well, I'd recommend going for the OME HD springs. They'll give you the extra stiffness you'll need to keep everything level. You can also add the Monroe load levelling shocks in the rear, most people use F150 shocks when lifted because of the additional travel.
 

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The Commander with the factory tow package comes with heavier rear springs. Try it out stock and see what it does before going to the added expense.
 
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