This should help.
^
From Jeep JK Service Manual:
The following chart provides the maximum trailer weight ratings towable for your given drivetrain.
Engine/Transmission
Axle
Model
GCWR (Gross Combined Wt. Rating)
Frontal Area
Max. GTW (Gross Trailer Wt.)
Max. Tongue Wt. (See Note 1)
3.8L/Manual
3.21
2 Door X Model (4WD)
4,910 lbs (2 227 kg)
25 sq. ft. (2.32 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
2 Door X Model (4WD)
4,910 lbs (2 227 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Automatic
4.10
2 Door X Model (4WD)
5,935 lbs (2 692 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Manual
3.21
2 Door Sahara Model (4WD)
5,101 lbs (2 314 kg)
25 sq. ft. (2.32 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
2 Door Sahara Model (4WD)
6,101 lbs (2 767 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Automatic
4.10
2 Door Sahara Model (4WD)
6,126 lbs (2 779 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Manual
4.10
2 Door Rubicon Model (4WD)
6,254 lbs (2 837 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Automatic
4.10
2 Door Rubicon Model (4WD)
6,279 lbs (2 848 kg)
25 sq. ft. (2.32 square meters)
2,000 lbs (907 kg)
200 lbs (91 kg)
3.8L/Manual
3.21
4 Door X Model (2WD)
5,014 lbs (2 274 kg)
32 sq. ft. (2.97 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
4 Door X Model (2WD)
7,514 lbs (3 408 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Automatic
4.10
4 Door X Model (2WD)
7,539 lbs (3 420 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Manual
3.21
4 Door Sahara Model (2WD)
5,204 lbs (2 360 kg)
32 sq. ft. (2.97 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
4 Door Sahara Model (2WD)
7,704 lbs (3 494 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Automatic
4.10
4 Door Sahara Model (2WD)
7,729 lbs (3 506 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Manual
3.21
4 Door X Model (4WD)
5,225 lbs (2 370 kg)
32 sq. ft. (2.97 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
4 Door X Model (4WD)
7,725 lbs (3 504 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Automatic
4.10
4 Door X Model (4WD)
7,750 lbs (3 515 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Manual
3.21
4 Door Sahara Model (4WD)
5,419 lbs (2 458 kg)
32 sq. ft. (2.97 square meters)
1,000 lbs (453 kg)
100 lbs (45 kg)
3.8L/Manual
4.10
4 Door Sahara Model (4WD)
7,919 lbs (3 592 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Automatic
4.10
4 Door Sahara Model (4WD)
7,944 lbs (3 603 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Manual
4.10
4 Door Rubicon Model (4WD)
7,965 lbs (3 613 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
3.8L/Automatic
4.10
4 Door Rubicon Model (4WD)
7,990 lbs (3 624 kg)
32 sq. ft. (2.97 square meters)
3,500 lbs (1 587 kg)
350 lbs (159 kg)
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