Comparison charts between a JK D44 and TJ D44
Front Axles
Component | JK D44 | TJ D44 | Bronco 71-78 D44 |
---|---|---|---|
Part # | P5153825 | ||
Lug Pattern | 5 x 5 | 5 x 4.5 | |
Factory Gear Ratio | 4.10 | ||
Overall Length (Width) | 65.5 in |
||
Axle Tubes (OD x thickness) | 2.5" x .25" | ||
Axle Shaft - Outer Diameter | 1.250 in. | ||
Axle Shaft - Outer Spline Count | 32 | 19 | |
Axle Shaft - Inner Diameter | 1.312 in. | ||
Axle Shaft - Inner Spline Count | 30 | 30 | |
Axle Shaft - Outers Thinnest Point | 1.200 in. | 1.20 in. | |
Axle Shaft - Inners Thinnest Point | 1.240 in. | 1.240 in. | |
Axle Shaft - U Joint | 5-260x | ||
Pinion Position | High Pinion | Low Pinion | |
Pinion - Inner Bearing Surface (Race) |
1.630 in. | 1.380 in. | |
Pinion - Outer Bearing Surface | 1.375 in. | 1.185 in. |
Rear Axles
- Rear JK Dana 44 Pinions are similar to Dana 60 pinions.
- JK D44 Axle shafts are slightly longer
- JK 44 is a Dana 47
Component | D35C | JK D44 | TJ D44 |
XJ/MJ '87-'90 D44 |
ZJ D44 | CJ Narrow D44 |
95-'01 Explorer |
Isuzu Corp 12-bolt (1988.5 and 1995 Amigos) | D60 |
---|---|---|---|---|---|---|---|---|---|
Type | Cast | Cast | Cast | Aluminum, C-clip | |||||
Lug Pattern | 5 x 4.5 | 5 x 4.5 | 5 x 4.5 | 5 x 4.5 | 6 x 5.5 | ||||
Factory Gear Ratio | 4.10 | 3.07, 3.55 | |||||||
Ring Gear Size | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.8 | 9.75 | ||
Overall Length (Width) | 65.5 in | 60 in. | 50.5 in. | 59 in. | |||||
Axle Tubes (OD x thickness) | 2.64" | 3.15" OD x .25" | 2.76" | ||||||
Axle Shaft - Spline Count | 32 | 30 | 30 | 30 |
19, 27, 30 (post '72) |
||||
Pinion - Inner Bearing Surface (Race) |
1.625 in. | 1.375 in. | |||||||
Pinion - Outer Bearing Surface | 1.310 in. | 1.125 in. | |||||||
Weight (lbs) | 175 | 230 | 230 | ||||||
Pros | Disc Brakes | Disc Brakes | |||||||
Cons |
Weak C-Clip |
C-Clip |
Sources:
http://jeep.off-road.com/jeep/article/articleDetail.jsp?id=277046
http://www.4wheeloffroad.com/techarticles/drivetrain/131_0804_jeep_wrang...
http://77cj.littlekeylime.com/mrnimages/eb_axles.gif
http://www.dynatrac.com/images/pdf/New_Gen_D44_comparison_chart.pdf
http://members.cox.net/jkorda/jeep/mods/front44.html
http://www.bc4x4.com/tech/2000/highpiniond60rear/highpiniond60rear.cfm
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