DANA 44 TECH SPECS
| FIRST GENERATION DANA 44 | MOPAR JK RUBICON 44 AXLE | MOPAR J8 MILITARY 44 AXLE (FRONT ONLY) |
| RING GEAR DIAMETER (FRONT, IN) | 8.5 | New Generation 8.5 | New Generation 8.5 |
| PINION POSITION (FRONT) | Mostly Low Pinion | High Pinion | High Pinion |
| RING GEAR DIAMETER (REAR, IN) | 8.5 | New Generation 8.8 | N/A |
| PINION POSITION (REAR) | Low Pinion | Low Pinion | N/A |
| STANDARD RATIO | 3.07 through 4.56 | 4.10 | 4.10 |
| AFTERMARKET RATIOS | 3.07 through 5.89 | 4.88, 5.13, 5.38 | 4.88, 5.13, 5.38 |
| DIFFERENTIAL TYPE (F/R) | Open/Limited slip | Electric selectable locker | Open |
| CASE DESIGN | 2 spider gears (except Powr-Lok limited slip) | 4 spider gears | 2 spider gears |
| ARB/DETROIT LOCKER COMPATIBLE? | Yes | No | Yes |
| PINION SHAFT (MAX DIA-INCHES) | 1.375 | 1.625 | 1.625 |
| PINION SHAFT (MIN DIA-INCHES) | 1.125 | 1.375 | 1.375 |
| PINION (DIA INCHES/SPLINES) | 1.12/26 | 1.25/24 | 1.25/24 |
| INNER PINION BEARING O.D. (INCHES) | 3.00 | 3.25 | 3.25 |
| OUTER PINION BEARING O.D. (INCHES) | 2.87 | 2.85 | 2.85 |
| CARRIER BEARING O.D. (INCHES) | 3.265 | 3.313 | 3.265 |
| REAR AXLE SHAFT (DIA INCHES/SPLINES) | 1.31/30 | New Generation 1.41/32 | N/A |
| FRONT AXLE SHAFT (DIA IN/SPLINES) | 1.31/30 | 1.31/30 | 1.31/30 |
| FRONT SHAFT U-JOINT | 1310 | New Generation 1350 | New Generation 1350 |
| FRONT BRAKE DIAMETER (INCHES) | 11.0 Disc | 12.0 Disc | 13.25 Disc |
| REAR DISC OR DRUM? | Mostly Drum | All Disc | N/A |
| REAR BRAKE DIAMETER (INCHES) | 9-11 Drum (some 11 Disc) | 12.5 Disc w/ P-brake | N/A |
| FRONT TUBE (DIAMETER X WALL INCHES) | 2.5 x 0.25 up to 2.75 x 0.375 | 2.5 x 0.25 | 2.5 x 0.31 |
| REAR TUBE (DIAMETER X WALL INCHES) | Mostly 2.75 diameter, wall varies | 3.15 x .25 | N/A |
| WHEEL MOUNT SIDE-TO-SIDE (INCHES) | 50-69 | 65.375 | 65.375 |
| WHEEL BOLT PATTERN (LUGS ON DIA) | Most 5-, 6-, and 8-lug | 5-on-5.0 | 5-on-5.5 |
| AVAILABLE FROM | Used/salvage yards | Mopar & Chrysler dealerships | Mopar & Chrysler dealerships |
| PART NUMBER-MOPAR/CHRYSLER | N/A | P5153825AC JK Front w/ Brakes | P5155084 P5155252 JK Front w/o Brakes P5153826AB JK Rear w/ Brakes |
| PART NUMBER-DYNATRAC | N/A | Same as Mopar | Same as Mopar |