The history of the iconic Jeep dates back to WWII and since the US led victory, the Wrangler has gained popularity as a civilian vehicle due to their off-road capabilities and rugged drivetrain. The Wrangler is now on its 4thmodel, JL, and this article will take you through the different models and axles used. 



1987-1995 Jeep Wrangler YJ

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The 1987 Model Year YJ debuted at the Chicago Auto Show in 1986 and was the first and last Wrangler with its infamous square headlights. All YJs have a Dana 30 in the front and a Dana 35 in the rear. 



1996-2006 Jeep Wrangler TJ

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Jeep returned with the original round headlights with its 2ndgeneration TJ along with a coil-spring suspension system for a smoother ride. Jeep introduced the inaugural Rubicon trim level on the 2003 TJ, geared toward off-roaders. Rubicon’s came standard with locking front and rear differentials.

TJs come with a Dana 30 or a Dana 44 in the front and either a Dana 35 or a Dana 44 in the rear. Typically the Sport and Sahara models include the Dana 30-Front/Dana 35-Rear.



2007-2018 Jeep Wrangler JK

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The 3rdgeneration JK was the first model to offer the Unlimited 4-Door version and retained its off-road features of roll bars, removable doors and fold-down windshield. Almost all JKs all have a Dana 44 in the Rear and either a Dana 35 or Dana 44 in the rear. 



2018-Present Jeep Wrangler JL

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The JL noticeably increase its ride comfort features, but has maintained its off-road performance. It is available in a six-speed manual or an improved eight-speed automatic. Most Sport and Sahara models come with an upgraded design Dana 35 in the rear and the same JK Dana 30 in the front. Rubicon’s are equipped with a new design Dana 44 in the front and rear. 


Revolution Gear & Axle offers Ring and Pinion Gear Sets in several different ratios for the following axle models, across all years of the Jeep Wrangler.




Dana 30

These axles have a 7.2” Ring Gear Diameter. There are different Dana 30 gear sets for the YJ, TJ and JK.


Dana 35

These axles have a 7.56” Ring Gear Diameter. The same version D35 gear set is used in the YJ and TJ, and a newer design is used in the JL.


Dana 44

These axles have an 8.5” Ring Gear Diameter. The D44 used in TJs, JKs and JLs are all different. 



Now that we’ve covered the history of the Jeep Wrangler, check out our article on why re-gearing your vehicle is important, what it does and the benefits re-gearing can provide!