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The output for the front drive shaft is on the right side and the rear output is in line with the input. This enables 2-wheel High to be direct-drive, which is quieter. Otherwise the Dana 20 offers the same drive modes as the Dana 18. Its low range has a ratio of 2.03:1. The Dana 20 is generally compatible with the "big hole" Dana 18.
When in "4-Low" mode the front and rear axles are locked together and power is sent to all four-wheels through the power transfer unit although no low range gear reduction occurs. Active Drive low relies on shorter axle gear ratios while holding first gear in the ZF9HP transmission to achieve a crawl ratio of 20:1; similar in effect to Freedom ...
Gear Ratios [b] Layout Cou-pling Control 1st Top Count [c] Span [d] Step [e] Center [f] Power Flow [g] Gear-sets [h] Brakes Clutch-es 3HP 12: 20 kg⋅m (145 lb⋅ft) 1965 – 1977 Longitudinal: 2.5600 1.0000 3 2.5600 1.6000 1.6000 S 2 2 2 Torque Converter: Hydraulic 3HP 12: TBD 1965 – 1977 Longitudinal: 2.2857 1.0000 3 2.2857 1.5119 1.5119 S ...
The line was offered in four ratings, M-300, M-375 (also known as M-400 between 1969–1973), [1] M-500, and M-600 depending on the application. The M600 was offered with the Rockwell F-130-NX rear axle, with a 4.88:1 gear ratio. By 1979, Chrysler Corporation no longer sold incomplete chassis and ended production of the M series.
The 10.5" 14-bolt differential and axle is quite popular with Jeep Wrangler owners who want to upgrade their standard Dana 30, Dana 35, or Dana 44 axle. While the 10.5" 14-bolt axle is heavier than the standard Dana axles offered on the Wrangler, it is much stronger.
The benefit is the larger ring gear, better angle cut on the teeth and Dana 60 diameter pinion shaft. The Dana Spicer Max momentary output torque FT-lbs Low pinion Dana 44 30 spline.....3460 [ft-lbs] High pinion Dana 44 30 spline.....4170 [ft-lbs] Low pinion rear 8.9" Dana 44 32 spline..5340 [ft-lbs]
The designation of wide versus close ratio affected the lowest gear ratio; [7] for example, the four-speed Muncie transmissions offered in General Motors performance vehicles included the M20 "wide ratio" transmission, which had a first gear ratio of 2.52 or 2.56:1, while the M21 and M22 "close ratio" transmissions had a first gear ratio of 2. ...
The Dana 50 has a "50" cast into the housing and is regarded to have more strength than a Dana 44, but not as much as a Dana 60. It was only produced in a reverse cut gear set aka a high pinion. The Dana 50 was made as a solid axle and as a Twin Traction Beam (TTB) which pivots in the center allowing the wheels to move independently of each ...