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Axle Application from Factory

Dana 25, 27, 30 Dana 35, 35C Dana 44 AMC Model 20
Dana 25,27,30
10 Bolt Cover
Dana 35, 35C
10 Bolt Cover
Dana 44
10 Bolt Cover
AMC Model 20
8 Bolt Cover
MODEL FRONT AXLE REAR AXLE RATIOS OTHER
         
41-45 MB, GPW Dana 25 Dana 23 4.88 The rear 23 is virtually the same and interchangeable with the 25, and is a full-float variety.
45-49 CJ2A Dana 25 Dana 41 5.38  
48-53 CJ3A
50-53 M38
52-71 M33A1
 Dana 25 Dana 44 5.38  
55-66 CJ-5, CJ-6 Dana 25 Dana 44 5.38 4.88 4.27  
66-69 CJ-5, CJ-6 Dana 27 Dana 44 5.38 4.88 4.27 3.73 Rear axle spline increased from 10 to 19
66-71 CJ-5, CJ-6 Dana 27 Dana 44 5.30 4.88 4.27 3.73 Rear flanged axle design with 30-spline axles
72-75 CJ-5, CJ-6 Dana 30 Dana 44 4.27 4.10 3.73 Open knuckle front end, flanged center set rear
76-83 CJ-5
76-81 CJ-6, CJ-7 		 Dana 30 AMC Corporate 20 2.73 3.07 3.31  3.54 3.73 4.10 Lowest aftermarket available gear ratio for early Dana 30 is 5.38
82-86 CJ-7, CJ-8 Dana 30 AMC Corporate 20 2.73 3.07 3.31  3.54 3.73 4.10 Front and rear axles were wider than
earlier models. Last production CJ-7s
and CJ-8s had Dana 44 flanged rear
axles installed.
87-89 YJ
84-89 XJ
 Dana 30 Dana 35 3.07 3.55 3.73 4.10 Front diff is on left side, some axles have
front axle disconnect, no hubs available
from factory. Lowest aftermarket available gear ratio for Dana 35 is 4.88
90-96 YJ
90-UP XJ
 Dana 30 Dana 35C* 3.07 3.55 3.73 4.10 Front diff is on left side, some axles have
front axle disconnect, no hubs available
from factory. Lowest aftermarket available gear ratio for Dana 35 is 4.88
97-present TJ Dana 30
Dana 35C* 
optional Dana 44
 3.07 3.55 3.73 4.10 Changed to coil spring suspension. Lowest aftermarket available gear ratio for Dana 44 is 5.13
* The "C" in Dana 35c does not stand for C-clip. The "C" stands for custom. They are custom because they are shipped incomplete from the Dana factory to Chrysler. Final assembly was done by Chrysler. Dana 35, 35C come with 27 spline axle shafts that are 2.625" in diameter, they are know to be a weak point for severe four wheeling and over sized tires.

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