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Main >>  Axle >>  Factory >>  Front >>  Dana 25
 

From JeepTech and JeepTech Publishing LLC, the Jeep knowledge base.

All text is available under the terms of the GNU Free Documentation License.

The Dana 25 uses a 7 3/4" ring and pinion that is only available in 4.27:1, 4.88:1, 5.38:1, and 6.17 ratios. The Dana 25 came with with three different styles of axle shaft joints, the Cardan-Cross style being the best.

Military vehicles with the Dana 25 include the MB, M38, M38A1, and M170. CJs with the Dana 25 include the CJ-2A, CJ-3A, CJ-3B, CJ-5, CJ-5A, CJ-6, and CJ-6A. The Willys Wagon and Willys Pickup used the Dana 25, but obviously the two wheel drive Wagons and Pickups did not use it.

The CJs used a small drum brake around 9" in diamber. The Willys Wagons and Willys Pickup used larger brakes. The picture on top is from a 1950 CJ-3A with the small brakes. The picture below is from a 50s Willys Wagon with the large 11"x2" brakes. The Willys Wagon and Willys Pickup version is also much wider than the CJ version.

 

Specifications

Model/Version Spring Pads Wheel to Wheel Years
Dana 25/Military 28" 51" '41-'65
Dana 25/CJ 28" 51" '46-'65
Dana 25/Willys Wagon 28" NA '46-'65
Dana 25/Willys Pickup 28" NA '47-'65
Dana 25/FC Trucks NA NA '57-'65
Dana 25/Wagoneer NA NA '62-'65


Dana 25 front axle


Dana 25 front axle closed knuckle detail


Dana 25 front axle from Wagoneer

 

All text is available under the terms of the GNU Free Documentation License.
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