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Jeep Wrangler JK Dana 44 Axles - Cheap Rubi Axles

Locked And Loaded Mopar Dana 44s
By Kevin McNulty
Photography by Kevin McNulty
Jeep Dana 44 Axles Drivers Side View
Jeep Dana 44 Axles P5153825 Rear
P5153826 (rear) The rear axle... 
   
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Jeep Dana 44 Axles P5153825 Rear
P5153826 (rear)
The rear axle assembly is complete, but the mounts will definitely have to be removed and replaced to fit under your CJ, TJ, XJ, YJ, or ZJ. to help this deal sink in, think about adding a locker and gears, and converting your old drum brakes to disc brakes. the parts alone would run you almost $2,000 per axle, and that's not including labor if you had them installed.
Jeep Dana 44 Axles P5153825 Front
P5153825 (front) The new front... 
   
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Jeep Dana 44 Axles P5153825 Front
P5153825 (front)
The new front axle is minus steering components, but it's still one heck of a deal. The only drawback is you may have to run wheel adapters due to the new 5-on-5 wheel bolt pattern, or get new wheels. the driveshaft flanges will also have to be swapped out.
Jeep Dana 44 Axles High Pinion Axle
High-pinion axles are all... 
   
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Jeep Dana 44 Axles High Pinion Axle
High-pinion axles are all the rage and that's what you get with the axle. the high-pinion axles give your rig more clearance and help keep your driveshaft yokes from spinning on the rocks and being damaged.
Jeep Dana 44 Axles Jk Tj Rear Pinion
This is a comparison between... 
   
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Jeep Dana 44 Axles Jk Tj Rear Pinion
This is a comparison between the rear JK pinion on the left and the rear pinion from a TJ rubicon 44 axle on the right. the JK pinions are similar in size to Dana 60 pinions, and definitely have more meat on them than the TJ pinions. the inner bearing surface (race) on the Jk pinion measures 1.625 inches, and the outer bearing surface is 1.310 inches. the TJ inner bearing race measures 1.375 inches, and the outer bearing surface is 1.125 inches.
Jeep Dana 44 Axles Jk Tj Front Pinion
The front JK pinion at the... 
   
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Jeep Dana 44 Axles Jk Tj Front Pinion
The front JK pinion at the inner bearing surface is 1.630 inches, and the outer surface measures 1.375 inches. the TJ front pinion measures 1.380 inches at the inner bearing surface and 1.185 inches at the outer bearing surface.
Jeep Dana 44 Axles Jk Locker
Locker hookup is relatively... 
   
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Jeep Dana 44 Axles Jk Locker
Locker hookup is relatively easy on the Jk axles. the electrical connection is a positive/ negative 12-volt hookup. so all you need to complete the connection is some wire and a common toggle switch.
Jeep Dana 44 Axles Jk Tj
There really aren't any noticeable... 
   
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Jeep Dana 44 Axles Jk Tj
There really aren't any noticeable tolerance differences in the front axleshaft assemblies. Axles sometimes have a tendency to break at their thinnest points. the thinnest point on both the Jk and TJ front axleshafts is 1.20 inches on the outer axleshaft and 1.240 inches on the inner axleshaft. the JK inner axle (top) is 30-spline and the outer shaft is 32-spline.
Jeep Dana 44 Axles Jk Tj Shaft
The rear JK (top) is slightly... 
   
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Jeep Dana 44 Axles Jk Tj Shaft
The rear JK (top) is slightly larger in diameter than the rear tJ axleshaft and longer. the selling point here is that the JK shafts are 32-spline as opposed to the TJ rubicon shafts, which are 30-spline.
Jeep Dana 44 Axles Front View
The JK axles are set up for... 
   
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Jeep Dana 44 Axles Front View
The JK axles are set up for crossover steering, meaning there is no more scissorlike tie rod/drag-link setup like the one used on the TJ. the only issue we have with this steering system is that the steering stabilizer bracket at the tie rod is weak. it can bend backwards reducing the Jk's turning radius when the bracket hits the differential cover on a hard left turn.
TECH SPECS
Front Axle
Differential Electric Locker
Gear Ratio 4.10
Overall length 651/2
Spring perch
center-to-center 391/2
Upper control-arm mounts
center-to-center 201/2
Lower control-arm mounts
center-to-center 33
Shock mounts center to center 381/4
Rear Axle
Differential Electric Locker
Gear Ratio 4.10
Overall length 651/2
Spring perch
center-to-center 321/2
Upper control-arm mounts
center-to-center 54
Lower control-arm mounts
center-to-center 473/4
Shock mounts center to center 481/4
(dimensions in inches)

Jeep
(800) 925-5337

www.jeep.com
Mopar
888.528.HEMI

www.mopar.com

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