Axle Ratio & Identification

Axle build date and manufacturer number are stamped on passenger-side axle tube near housing cover. Axle assembly part number, gear ratio and identification tag is attached to the housing cover bolts. Refer to the AXLE RATIO & IDENTIFICATION table below. Also, see Fig 1 .

Model 35 axle shaft tubes are 2.625" (66.67 mm) in diameter. 8 1/4" axle shaft tubes are 3.0" (76.2 mm) in diameter.

AXLE RATIO & IDENTIFICATION

Axle Ratio

Ring Gear Diameter

Front Axle ⁽¹⁾

3.07:1

7 1/8" (181 mm)

3.55:1

7 1/8" (181 mm)

3.73:1

7 1/8" (181 mm)

4.10:1

7 1/8" (181 mm)

Rear Axle

3.07:1 ⁽²⁾

7 9/16" (192 mm)

3.07:1 ⁽³⁾

8 1/4" (210 mm)

3.55:1 ⁽²⁾

7 9/16" (192 mm)

3.55:1 ⁽⁴⁾

8 1/2" (216 mm)

3.55:1 ⁽³⁾

8 1/4" (210 mm)

3.73:1 ⁽⁴⁾

8 1/2" (216 mm)

4.11:1 ⁽²⁾

7 9/16" (192 mm)

4.10:1 ⁽³⁾

8 1/4" (210 mm)

⁽¹⁾	Model 30 front axle is used on all models.

⁽²⁾	Model 35 rear axle is used on all models.

⁽³⁾	Optional 8 1/4" rear axle for Cherokee only.

⁽⁴⁾	Optional model 44 rear axle for Grand Cherokee only.

Fig 1: Locating Drive Axle Identification Tag

Courtesy of CHRYSLER CORP.