Below is a chart giving information on various commonly found Jeep vehicles including model years, names, tech info, etc...
Page 2 - 41-86 CJ Series & Cherokee XJ

tech

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Wrangler JK Unlimited (2007-) DaimlerChrysler. All new version of the Wrangler Unlimited.  Based on the TJ.  Longer and Wider.  116" wheelbase, 20.6" longer than the 2007 Wrangler.  Round Headlights, No metal fenders, turn signals in the grill under the headlights.  Optional Rubicon model featuring Dana 44 axles with lockers and 4:1 transfer case.  Modular Hardtop.  Electronic sway bar disconnect (Rubicon). 
 

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Engines - 205HP 6cyl(3.8L V6).
Transmissions - 6sp manual, 4 sp Auto.
Transfer case - NP231, 4:1 Rock Trak (Rubicon)
Front axle - Dana30, Dana44 (Rubicon), Rear axle - Dana35C, Dana44 (Rubicon).

Wrangler Unlimited JK Products - Jeep JK Wrangler Review
Official jeepfan.com 2007 JK Wrangler Unlimited Rubicon
 

Wrangler JK (2007-) DaimlerChrysler. All new version of the Wrangler.  Based on the TJ.  Longer and Wider.  95.4 wheelbase.  Round Headlights, No metal fenders, turn signals in the grill under the headlights.  Optional Rubicon model featuring Dana 44 axles with lockers and 4:1 transfer case.  Modular Hardtop.  Electronic sway bar disconnect (Rubicon). 
 

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Engines - 205HP 6cyl(3.8L V6).
Transmissions - 6sp manual, 4 sp Auto.
Transfer case - NP231, 4:1 Rock Trak (Rubicon)
Front axle - Dana30, Dana44 (Rubicon), Rear axle - Dana35C, Dana44 (Rubicon).

Wrangler Unlimited JK Products - Jeep JK Wrangler Review
 

  Complete redesign of the previous Liberty KJ.  Based on the Dodge Nitro platform.  Larger than the KJ.  Special features include Sky Slider full-open canvas roof.

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Engine - 3.7-liter SOHC V-6
Transmission - Six-speed manual transmission or a four-speed automatic transmission
Transfer case - All-new Selec-Trac II, full-time four-wheel-drive system and Command-Trac, a part-time four-wheel-drive system
 

DaimlerChrysler.

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Engine - 172HP 2.4L World Engine
Transmission - 5 Speed manual or CVT2 transaxle
Transfer case - Freedom I and Freedom II fulltime 4WD with lock mode
Jeep Patriot Review
 

Compass (2007-)

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Engine - 172HP 2.4L World Engine
Transmission - 5 Speed manual or CVT2 transaxle
Transfer case - Freedom I fulltime 4WD with lock mode
 

Commander (2006-) DaimlerChrysler.  A larger scale SUV featuring 7 passenger seating.  Kind of a modern Grand Wagoneer. 

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Engine - 210-horsepower, 3.7-liter V6, 235-horse, 4.7-liter V8, 330-hp, 5.7-liter Hemi V8
Transmission - 5 speed automatic transmission
Transfer case - Quadra-Trac II and Quadra-Drive II
 

Wrangler Unlimited LJ (2004-2006) DaimlerChrysler. Stretched version of the TJ.  10" longer wheelbase, 15" longer body.  Round Headlights, turn signal lights on the front fenders, wheelbase 104", coil spring suspension. No locking hubs and no front axle disconnect.   Front airbags.  Optional Rubicon model featuring Dana 44 axles with lockers and 4:1 transfer case.  Factory hard top option. Rear seat is wider. Special models offered; Rubicon.
Engines - 4.0L 6 cyl
Transmissions - 6sp manual, 4 sp Auto.
Transfer case - NP231, 4:1 Rock Trak (Rubicon)
Front axle - Dana30, Dana44 (Rubicon), Rear axle - Dana44.

Wrangler Unlimited TJ Products
 

Liberty KJ (2002-2007) DaimlerChrysler. SUV replacing the Cherokee Classic.  Independent from suspension.  Small, Fun light trail vehicle.  4 doors and swinging tailgate.  2WD model available.  Several front end cosmetic variations over the model years.  Special models offered; Sport, Limited, and Renegade.

NOTE: The 2008 Liberty will be a complete redesign based on the Dodge Nitro.

Engines - 4 cyl, 3.7L V6, 2.8L CRD Diesel
Transmissions - 5 and 6 sp manual, 5 and 6 sp auto.
Transfer case - Command Trac and Select Trac
Front axle - Dana30 (IFS), Rear axle - Dana35C.

Liberty KJ Products
 

Wrangler TJ (97-2006) DaimlerChrysler. Round Headlights, turn signal lights on the front fenders, wheelbase 94", coil spring suspension adopted from the Grand Cherokee. No locking hubs and no front axle disconnect.   Front airbags.  Optional Rubicon model featuring Dana 44 axles with lockers and 4:1 transfer case.  Factory hard top option. Rear seat is wider. Special models offered; X, Sport, Sahara, and Rubicon.

Engines - 4cyl(2.5L), 6cyl(4.0L).
Transmissions - 5sp(AX-5, AX15, NV3550), Auto (904, 999).
Transfer case - NP231, 4:1 Rock Trak (Rubicon)
Front axle - Dana30, Dana44 (Rubicon), Rear axle - Dana35C, Dana44 (option on Sahara and Sport) (Rubicon)(Rocky Mountian Edition X model).

Wrangler TJ Products
Skyjacker 2" Spacer Lift and Shocks on a Wrangler TJ
 

Wrangler YJ (86-95) DaimlerChrysler. Square Headlights, wheelbase 94", squared front fenders. Wider frame than CJ. Roll bar extends to windshield, in 1992 the rear part of the roll bar is a squared shape to accommodate rear shoulder seat belts. 86 to 93 models have disconnecting front axle. Some 95' models use small rubber nubs instead of hoops on the hood as a rest for the windshield when folded down.  Spare tire attached to tail-gate. Tail-gate swings out.  Car-like dashboard. Similar body to CJ-7 which is interchangeable with slight modification.   Special models offered Laredo, Sahara, Islander, and Renegade.

Engines - 4cyl(2.5L), 6cyl(4.0L, 4.2L).
Transmissions - 5sp(AX-5, BA10/5), Auto (904, 999).
Transfer case - NP 207, NP231.
Front axle - Dana30, Rear axle - Dana35C.

Wrangler YJ Products

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