Jeep Dana 25 specs.

[Greenwithenvy]

It 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 CJ2a , CJ3a , CJ3b , CJ5 , CJ-5A, CJ6 , 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 CJ3a 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 alos much wider than the CJ version.

Willys Wagon Dana 25
Specs

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

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