I Do This For The Glory
Join Date: Dec 1999
Location: Nobleboro, Maine
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Re: Dana Questions
The D25 was offered with 5.38 gearing stock, not 5.12's (Zuki's had 5.12's from the factory though, offset in the rear, with 1 piece axles, dropout 3rd member, and 7.5" ring gear). The R&P is larger than a D30 (7.75" vs. 7.13") and the axle shafts were the same diameter (1.13"), but they were only 10 spline which is MUCH (on the magnitude of 175%) weaker. The military D25's (M-38, M-38A1) usually had 4.88 gears as well instead of the 5.38's.
The D41 was used from '46-'50 and had a 7.75" ring gear as well, with 1.00" axle shafts that were 10 spline.
The D44(2) by comparison was made from '50-'70, has the 8.5" ring gear, 19 spline shafts that are 1.25" in diameter. It is approximately 150% stronger than the D41.
Winter Harbor, Maine
'81 CJ-8 Scrambled!
It's a Jeep, Chevy, IHC kinda thing!