[Wheelin98TJ]

INDEX

Dimensions
Body
Trim Packages and Special Editions
Engines
Transmissions
Transfer Cases
Axles
Axle Gear Ratios
Wheels (Part 1)
Wheels (Part 2)

This information was gathered from several sources and is believed to be accurate for U.S. spec TJ Wranglers. If you notice any errors or have additional information to contribute, please send a private message or email to a moderator.

There are some differences with export spec TJ Wranglers, therefore some of the information provided in ths thread is not accurate for those TJs.

A special thanks to those members who helped:

erickpl, rnemovr, Dragon158, cwildmann, Shag, kenskis, Terrain Twister, timothy_1987, Tims034x44Fun, Crashnburn80, EricsXJ, Fargo, newbs, sijeep, Unlimited04, Phrankoff​

 

[Wheelin98TJ]

Dimensions

Dimensions

TJ:

Wheelbase = 93.4"
Overall length = 155.4"
Overall width = 66.7"
Overall height (soft top) = 70.8"
Track width = 57.8 - 58.5"
Turning diameter = 33.5'-36'
Curb weight = 3,092-3,832 lbs

Cargo capacity = 55.7 cu ft.
Fuel capacity = 15 or 19 gal (19 gal became standard during the 99 model year)
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

Approach angle = 42.2*
Departure angle = 31.5*
Breakover angle = 22.3*

LJ:

Wheelbase = 103.4"
Overall length = 167-171.7"
Overall width = 66.7-68.2"
Overall height = 68.4" soft top / 70.9" hard top
Track width = 58.5"
Turning diameter = 36'
Curb weight = 3,730-3977 lbs

Cargo capacity =
Fuel capacity = 19 gal
Towing capacity = 3,500 lbs

Ground clearance (at axle) = 9.3" front / 8.3" rear

Approach angle = 43.1-44.9*
Departure angle = 27.7-28.4*
Breakover angle = 21.4-22.1*

 

[Wheelin98TJ]

Body

Body

Soft Top
* 97-00 - standard material
* 01-02 - 4-ply sailcloth
* 03-06 - 3-ply sailcloth - NOTE: Change in driver's side window: male zipper is now on window, female zipper on the top, previous years (97-02) were vice-versa.

Hard top
* 97-02 - vents behind rear windows
* 03-06 - vents behind rear windows removed

Airbags
* Driver and passenger side airbags are standard on all 97-06 TJs
* Passenger side deactivation switch - ??? * NEED INFO *

Fender flares
* 3.25" - used on all SE, X (except those listed under 4.25"), and Sport models
* 4.25" - used on all Sahara, Rubicon, and Special Edition models that have painted or body colored flares

 

[Wheelin98TJ]

Trim Packages and Special Editions

Trim Packages

SE - 1997-2006
* 2.5L I-4 engine 1997-2002
* 2.4L I-4 engine 2003-2006
* Optional 4.0L I-6 for 2005-2006 models

X - 2002-2006
* 4.0L I-6 engine
* No D44 option
* D44 only used with certain Special Edition models (see below)

Sport - 1997-2006
* 4.0L I-6 engine
* Optional D44 rear axle

Sahara - 1997-2004
* 4.0L I-6 engine
* Body colored fender flares that are 1" wider than standard TJ flares
* Body color rocker sills
* Optional Dana 44 rear axle
* 16" wheels for 2000-2004 models
* 30" tires
* Full steel doors
* Unique seats and interior trim
* Sahara decals

Rubicon - 2003-2006
* 4.0L I-6 engine
* Tru-Lok selectable pneumatic lockers, activate in 4-lo and under 10mph, engaged until out of 4-lo or deselected
* Limited slip rear when unlocked
* NV241 Rock-Trac 4:1 transfer case -- fixed yoke
* Heavy-duty driveshafts with 1330 u-joints
* Dana 44 front and rear axles
* 4.10 gears
* Goodyear Wrangler MT/R LT245/75R16 (30.5"x9.6") Tires
* 16x8, five-spoke aluminum wheels
* Diamond plate rocker guards
* Rubicon Lettering on Hood
* Flares are 1" wider than standard TJ flares
* 4-wheel Disc Brakes

Unlimited (LJ) - 2004-2006
* 4.0L I-6 engine
* Dana 44 rear axle with 3.73 gears and Trac-Lok limited slip differential
* 10" longer wheelbase
* 5" extra rear overhang
* 2" additional room behind front seats for rear seat passengers
* 3,500 lbs. towing capacity

Rubicon Unlimited (LJ) - 2005-2006
* See Rubicon and Unlimited (LJ) above

Special Edition models (A-Z):

60th Anniversary Edition - 2001 only
* 4.0L I-6 engine
* Available only in Black or Silverstone Metallic
* Body-color wheel flares and rocker sills
* Specially embroidered floor mats
* Full Metal Doors
* Canyon 30-inch Tire and Wheel Group
* Fog Lamp and Tow Hook Group
* Air Conditioning
* AM/FM stereo radio with CD player, five speakers and subwoofer
* Options: Speed control & Dual-Top

65th Anniversary Edition - 2006 only
* 4.0L I-6 engine
* Dana 44 rear axle
* High pressure gas charged shocks
* Body colored fender flares
* Specially embroidered floor mats with Jeep 65th anniv. logo
* 65th anniv. decal
* Unique center stack bezel
* Unique two tone seats with Jeep 65th anniv. logo
* Full Metal Doors
* Sunrider soft top
* 15" Alcoa wheels with 30.5" x 9.5" Goodyear tires
* Fog Lights
* AM/FM stereo radio with CD player and seven speakers (includes subwoofer in center console)

Apex Edition - 2002-2003
* 4.0L I-6 engine
* Cognac Ultra-Hide seats
* AM/FM stereo radio with CD player and seven speakers (includes subwoofer in center console) - no extra charge
* Special hood decal
* Chrome wheels
* Available in Bright Silver Metallic, Patriot Blue, or Black

Columbia Edition - 2004 only
* 4.0L I-6 engine
* 15-inch graphite painted aluminum wheels
* Unique graphite fender flares
* Fog lamps
* Columbia badging
* Dark Slate Interior
* Khaki two-tone seats with the Columbia logo
* Silver painted instrument panel accents
* Available in Black, Bright Silver, Flame Red, Solar Yellow and Patriot Blue

Freedom Edition - 2003 only
* 4.0L I-6 engine
* Body colored fender flares
* Special side badges
* Outlined white letter P225/75R15 Goodyear all-terrain tires mount on 15-inch chrome wheels.
* Standard soft-top with full metal doors, fog lamps and tow hooks.
* Standard air conditioning, Sentry Key theft-deterrent system, easy access Fold-and-Tumble rear seat and a choice of Dark Slate Gray vinyl or cloth seating.
* Available in red, silver, blue and black exterior colors.

Golden Eagle - 2006 only
* 4.0L I-6 engine
* Dana 44 rear axle
* Golden Eagle hood, fender, and spare tire decals/logos
* Painted instrument panel accents
* Two-tone premium seats with Golden Eagle logos
* 30" tires with 15" gold finished Ravine wheels

Rocky Mountain Edition - 2003-2005
* 4.0L I-6 engine
* Dana 44 rear axle
* 30" Goodyear GS/A Tires on forged aluminum Alcoa wheels
* Ravine wheels used on 2005 models
* Unique graphite fender flares
* Fog lamps
* Rocky Mountain Edition badging
* Dark Slate Interior
* Unique two-tone seats with Jeep embroidery
* Silver painted instrument panel accents
* Available in Black, Bright Silver, Flame Red, Solar Yellow and Patriot Blue
* Diamond plate rocker guards (similar to Rubicon model)
* Tow hooks

Rubicon Unlimited Sahara - 2005 only
* 1,000 made
* Chrome grill
* Tail light guards
* Interior badge with serial number
* Spare tire cover and floor mats

Tomb Raider Edition - 2003 only
* All Rubicon standard options
* 16" Alcoa forged aluminum wheels
* Tomb Raider badging with serial number
* Light bar
* Riveted fender flares in graphite
* Black Tubular grille guard
* Diamond plate bumper guard
* Diamond plate rocker guards
* Fog & Taillamp brush guards
* Aluminum diamond plate bumper guard in black
* Dark Slate fabric seats with red accent stitching down the center
* Silver surround instrument panel bezel
* Red seat belts
* Available in Bright Silver

Willys Edition - 2004-2005
* 4.0L I-6 engine
* Exclusive Moss Green exterior color
* Water resistant Camo and black seats
* Unique "WILLYS" decal at cowl side
* Diamond plate rocker guards painted Dark Green
* Body-color fender flares
* AM/FM stereo radio with CD player and seven speakers (includes subwoofer in center console) - no extra charge
* 4.0L Power Tech I-6 engine
* Tow hooks
* Fog lamps
* Full-size spare tire with matching wheel

 

[Wheelin98TJ]

Engines

Engines

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

 

[Wheelin98TJ]

Transmissions

Transmissions

Automatics:

30rh - 1997-2002
* 3 speed automatic
* Used with 4 cyl models
* 23 spline output
* Ratios:

1st - 2.74
2nd - 1.54
3rd - 1.00
Rev - 2.20​

32rh - 1997-2002
* 3 speed automatic
* Used with 6 cyl models
* 23 spline output
* Ratios:

1st - 2.74
2nd - 1.54
3rd - 1.00
Rev - 2.20​

42rle - 2003-2006
* 4 speed automatic
* Used with both 4 cyl and 6 cyl models
* Ratios:

1st - 2.84
2nd -1.57
3rd - 1.00
4th - 0.69
Rev - 2.21​

Manuals:

AX-5 - 1997-2002
* 5 speed manual
* Used with 4 cyl models
* 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
* Used with 6 cyl models
* 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
* Used with 4 cyl models
* 2 different names used (1500 and 2550) interchangeably
* 10 spline input
* 23 spline output
* 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
* Used with 6 cyl models
* 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
* Used with both 4 cyl and 6 cyl models
* 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​

 

[Wheelin98TJ]

Transfer Cases

Transfer Cases

NV231 Command-Trac - 1997-2006
* Used on all TJs except Rubicon models
* 2.72:1 Low range
* Slip yoke
* Gear driven speedometer signal

NV241 Rock-Trac - 2003-2006
* Standard transfer case used on all Rubicon model TJs.
* 4:1 Low range
* Fixed yoke
* Electronic speedometer signal

 

[Wheelin98TJ]

Axles

Axles

Dana 30 (181 mm) - 1997-2006

* Front axle used on all TJs except the Rubicon model
* Stock gear ratio options = 3.07, 3.55, 3.73, 4.10, 4.56
* Carrier break = 3.55 / 3.73
* Open carrier - no Trac-Lok limited slip option
* Ring gear diameter = 7.2"
* Ring gear bolts = (10) 3/8 x 20 RH
* Low pinion (short pinion)
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.18"
* 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

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Dana 35c (194mm) - 1997-2006

* Standard rear axle used on all TJs except the Rubicon model
* Stock gear ratio options = 3.07, 3.55, 3.73, 4.11, 4.56
* Carrier break = 3.31 / 3.55
* Optional Trac-Lok limited slip differential
* Ring gear diameter = 7.5625"
* Ring gear bolts = (8) 3/8 x 24 RH - NOTE: 7/16" x 20 RH used on later model TJs
* Low pinion
* Pinion shaft diameter = 1.406"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.18"
* Axle shaft spline count = 27
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern
* Rubber pressed-in fill plug

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Dana 44 (216mm) - 1997-2006

* Optional rear axle used on 6 cyl models except the Rubicon model
* Stock gear ratio options - 3.55 (97 only), 3.73
* Carrier Break = 3.73 / 3.92
* Standard Trac-Lok limited slip differential on early model TJs / Optional on later model TJs
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 3/8 x 24 RH - Note: 7/16" x 20 RH used on later model TJs
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* Axle shaft spline count = 30
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern
* Available for the 1997 and newer 4.0L TJs only after 7/7/96
* Threaded 3/8" fill plug

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Dana 44 (216 mm) Rubicon- 2003-2006

* Standard front axle used on all Rubicon model TJs
* 4.10 gears
* Tru-Lok selectable pneumatic locker - open differential when unlocked
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 7/16" x ??
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* 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

Note: The outer axle shafts, unit bearings (hubs), knuckles, and brakes are the same as those found on the TJ D30.

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Dana 44 (216 mm) Rubicon - 2003-2006

* Standard rear axle used on all Rubicon model TJs
* 4.10 gears
* Tru-Lok selectable pneumatic locker - limited slip differential when unlocked
* Ring gear diameter = 8.5"
* Ring gear bolts = (10) 7/16" x ??
* Low pinion
* Pinion shaft diameter = 1.376"
* Pinion shaft spline count = 26
* Axle shaft diameter = 1.31"
* Axle shaft spline count = 30
* WMS-WMS = approximately 60.5"
* 5 on 4.5" bolt pattern

 

[Wheelin98TJ]

Gearing

Axle Gear Ratios

3.07 - 1997-2006
* Standard ratio used with 6 cyl models except the Rubicon

3.55 - 1997 only
* Optional ratio used with 6 cyl

3.73 - 1998-2006
* Optional ratio used with 6 cyl manual and automatic except the Rubicon
* Standard ratio used with 6 cyl 4 speed auto
* Standard ratio used with most 4 cyl automatics
* Standard ratio used with 4 cyl 6 speed
* Standard ratio used with Dana 44 rear axle except the Rubicon

4.10 / 4.11 - 1997-2006
* Standard ratio used with 4 cyl 5 speed manual
* Standard ratio used with Rubicon

4.56 - 2003-2006
* Standard ratio used with 4 cyl automatic

Click here if you need help determining your axle gear ratio.

 

[Wheelin98TJ]

Wheels (1 of 2)

Wheels (1 of 2)

Standard SE Wheel

* 15x6 steel
* 5 on 4.5" bolt pattern
* Backspacing = ??
* Offset = ??

--------------------------------------------

Name Unknown

* 15x7 steel
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Offset = +38 mm

--------------------------------------------

Name Unknown

* 15x7
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Chrome finish
* Offset = +38 mm

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Grizzly

* 15x7 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Offset = +38 mm

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Ecco

* 15x7 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Offset = +38 mm

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Gambler

* 15x8 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.25"
* Optional wheel with 30" tire package
* Offset = +19 mm

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Canyon

* 15x8 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Optional wheel with 30" tire package
* Offset = +25 mm

 

[Wheelin98TJ]

Wheels (2 of 2)

Wheels (2 of 2)

Ravine

* 15x8 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Optional wheel with 30" tire package
* Offset = +25 mm

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Ravine

* 15x8 aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Standard wheel with Golden Eagle package only
* Offset = +25 mm

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Alcoa

* 15x8 forged aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5.5"
* Offset = +25 mm
* Standard wheel with 2004 Rocky Mountain Edition and 2006 65th Anniv. Edition

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Moab

* 16x8 cast aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5"
* Offset = +12 mm
* Stock Rubicon wheel

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Moab Sahara

* 16x8 cast aluminum
* 5 on 4.5" bolt pattern
* Backspacing = 5"
* Offset = +12 mm
* Same as regular Moab wheel except black accents between spokes
* Stock Unlimited Rubicon Sahara wheel