 |
 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
- February 9, 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.
- February 5, 2026
- 6 min read
Step-by-Step Jeep Tire Size Upgrade Guide. Choose the Right Bigger Tires, Understand Fitment & Mods, and Boost Off-Road Performance.
- February 3, 2026
- 4 min read
From daily convenience to off-road durability, we answer the most common Jeep side step questions to help you choose, install and maintain the right setup for your build.
- January 30, 2026
- 4 min read
What Wrangler and Gladiator EcoDiesel owners need to know about cold starts, winter fuel, DEF systems, and protecting their engine when temperatures drop
- January 29, 2026
- 4 min read
How King of the Hammers became the defining test for Jeeps and off-road vehicles — and what every fan needs to know
- January 28, 2026
- 5 min read
It doesn't take long to make sure you vehicle's top is performing its best this time of year.
- January 27, 2026
- 4 min read
Essential Jeep Trail Etiquette and Off-Road Rules Every Driver Should Know
- January 26, 2026
- 5 min read
LED headlights are an extremely popular, and easy, addition to your Jeep. However, correctly adjusting these lights is crucial to their overall performance.