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OE Jeep TJ Spec's

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These are the OE specifications found online from several sources & compiled for technical reference.

Wheelbase = 93.4"
Length = 155.4"
Width = 66.7"
Height = 70.8"
Track width = 57.8 - 58.5"
Curb weight = 3,092-3,832 lbs
Approach angle = 42.2*
Departure angle = 31.5*
Break over angle = 22.3*
Cargo capacity = 55.7 cu ft.
Fuel capacity = 15 - 19 gal
Towing capacity = 1,000 lbs 4cyl / 2,000 lbs 6 cyl
Ground clearance (at axle) = 8.7"-9.2" front / 8.6"-9.1" rear

ENGINE

2.5L I-4 151 cu in - 1997-2002
120 hp @ 5,400 RPM
140 ft/lbs @ 3,500 RPM
OHV
Sequential port fuel injection
2 valves per cylinder
Compression ratio = 9.20:1 (97-00) / 9.10:1 (01-02)

2.4L I-4 148 cu in - 2003-2006
147 hp @ 5,200 RPM
165 ft/lbs @ 4,000 RPM
DOHC
4 valves per cylinder
Compression ratio = 9.50:1

4.0L I-6 242 cu in - 1997-1999
181 hp @ 4,600 RPM
222 ft/lbs @ 2,800 RPM
OHV
Sequential port fuel injection
2 valves per cylinder
Compression ratio = 8.80:1

4.0L I-6 242 cu in - 2000-2006
190 hp @ 4,600 RPM
235 ft/lbs @ 3,200 RPM
OHV
Sequential port fuel injection
2 valves per cylinder
Compression ratio = 8.80:1
Distributor-less ignition
Redesigned cylinder head
Redesigned 2 piece exhaust manifold

Automatics:

30rh - 1997-2002
3 speed automatic
23 spline output
Ratios:
1st - 2.74
2nd - 1.54
3rd - 1.00
Rev - 2.20

32rh - 1997-2002
3 speed automatic
23 spline output
Ratios:
1st - 2.74
2nd - 1.54
3rd - 1.00
Rev - 2.20

42rle - 2003-2006
4 speed automatic
Ratios:
1st - 2.84
2nd -1.57
3rd - 1.00
4th - 0.69
Rev - 2.21

Manuals:

AX-5 - 1997-2002
5 speed manual
10 spline input
21 spline output
Ratios:
1st - 3.93
2nd - 2.33
3rd - 1.45
4th - 1.00
5th - 0.85
Rev - 4.74

AX-15 - 1997-1999
5 speed manual
10 spline input
23 spline output
Ratios:
1st - 3.83
2nd - 2.33
3rd - 1.44
4th - 1.00
5th - 0.79
Rev - 4.22

NV1500 / NV2550 - 2003-2004
5 speed manual
Ratios:
1st - 3.85
2nd - 2.25
3rd - 1.48
4th - 1.00
5th - 0.75 or 0.80
Rev - 3.52

NV3550 - 2000-2004
5 speed manual
10 spline input
23 spline output
Ratios:
1st - 4.01
2nd - 2.33
3rd - 1.39
4th - 1.00
5th - 0.78
Rev - 3.57

NSG370 - 2005-2006
6 speed manual
10 spline input
23 spline output
Ratios:
1st - 4.46
2nd - 2.61
3rd - 1.72
4th - 1.25
5th - 1.00
6th - 0.84
Rev - 4.06

TRANSFER CASE

NV231 Command-Trac - 1997-2006
2.72:1 Low range

NV241 Rock-Trac - 2003-2006
4:1 Low range


DANA 30 Front Axle
Stock gear ratio options = 3.07, 3.55, 3.73, 4.10, 4.56
Ring gear diameter = 7.2"
Pinion shaft spline count = 26
Axle shaft spline count = 27 both inner and outer
Axle shaft u-joints = 5-760x / 5-297x
WMS-WMS = approximately 60.5"
5 on 4.5" bolt pattern

DANA 35C Rear Axle
Stock gear ratio options = 3.07, 3.55, 3.73, 4.11, 4.56
Optional Trac-Lok limited slip differential
Ring gear diameter = 7.5625"
Pinion shaft spline count = 26
Axle shaft spline count = 27
WMS-WMS = approximately 60.5"
5 on 4.5" bolt pattern

DANA 44 Rubicon Front
4.10 gears
Tru-Lok selectable pneumatic locker - open differential when unlocked
Ring gear diameter = 8.5"
Pinion shaft spline count = 26
Axle shaft spline count = 30 inner / 27 outer
Axle shaft u-joints = 5-760x / 5-297x
WMS-WMS = approximately 60.5"
5 on 4.5" bolt pattern

DANA 44 Rubicon Rear
4.10 gears
Tru-Lok selectable pneumatic locker - limited slip differential when unlocked
Ring gear diameter = 8.5"
Pinion shaft spline count = 26
Axle shaft spline count = 30
WMS-WMS = approximately 60.5"
5 on 4.5" bolt pattern
 
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