 |
 1987-1989 |
 1989-1999 |
| Name: AX5 Speeds: 5 Case Length: 22.50" Bolt Pattern:  |
Name: BA10-5 Speeds: 5 Case Length: 24.00" Bolt Pattern:  |
Name: AX15
Speeds: 5Case Length: 24.00" Bolt Pattern:  |
| Gear Ratios: | Gear Ratios: | Gear Ratios: |
| 1st: 3.93 2nd: 2.33 3rd: 1.45 4th: 1.00 5th: 0.85 Rev: 4.74 |
1st: 3.39 2nd: 2.33 3rd: 1.44 4th: 1.00 5th: 0.79 Rev: 3.39 |
1st: 3.83 2nd: 2.33 3rd: 1.44 4th: 1.00 5th: 0.79 Rev: 4.22 |
| Notes: 11/8 inch 10 spline input shaft. 21 spline output. Cast Iron Intermediate plate. AX4 (solid case no intermediate plate) was used up to 10/4/88. |
Notes: Two piece clamshell case and five bolts to bellhousing. Used up to 3/03/89. Generally had 21 spline output but 23 spline possible. |
Notes: 11/8 inch 10 spline input shaft. Aluminum intermediate plate. 23 spline output. Replaced BA10/5 after 3/03/89. |
 2000-2004 |
 2005-2008 |
 2001-2004 |
| Name: NV3550 Speeds: 5 Case Length: 16.750" Bolt Pattern: |
Name: NSG370 Speeds: 6 Case Length: 16.750" Bolt Pattern:  |
Name: NV1550 Speeds: 5 Case Length: 16.750" |
| Gear Ratios: |
Gear Ratios: | Gear Ratios: |
| 1st: 4.01 2nd: 2.33 3rd: 1.39 4th: 1.00 5th: 0.78 Rev: 3.57 |
1st: 4.46 2nd: 2.61 3rd: 1.72 4th: 1.25 5th: 1.00 6th: 0.84 Rev: 4.06 |
1st: 3.85 2nd: 2.25 3rd: 1.48 4th: 1.00 5th: 0.80 Rev: 4.06 |
| Notes: 11/8 inch 10 spline input shaft. 23 spline output.
|
|
|
Learn How to Modify, Repair, and Enjoy your Jeep Vehicle from the Experts at Quadratec
Identifying A 1987-2008 Jeep Manual Transmission
Comments
Top Jeep Articles
- August 18, 2026
- 4 min read
We installed and tested these drop steps on a Wrangler JL Unlimited to see how they handle daily use, passengers, and real trail conditions.
- August 13, 2026
- 9 min read
While not known for their high security from the factory, there are plenty of aftermarket accessories that can help you protect all kinds of things on (and inside) your Jeep.
- August 12, 2026
- 4 min read
Eliminate any misfitting or rattling issues with these simple steps.
- August 6, 2026
- 5 min read
Don't let factory plastic ruin your next trail run. Break down the key differences between full-width, mid-width, and stubby bumpers to find the ultimate armor for your Jeep build.
- August 4, 2026
- 5 min read
Whether you just want to make a style change, or your are upgrading tires, changing over to alloy wheels is an excellent upgrade with numerous benefits.
- July 31, 2026
- 8 min read
Seat covers form an excellent shield for your vehicle's existing seats, but they also provide extra comfort, add styling and a dash of customization. However, with so many different choices, how do you know which set is perfect for you?