 |
 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
- July 22, 2026
- 3 min read
Compare tire sizes, see speedometer changes, and find the right fit for your Jeep.
- July 20, 2026
- 3 min read
Find the exact replacement speedometer gear for your Jeep’s new tire size and gear ratio.
- July 17, 2026
- 3 min read
A DIY oil change is a relatively easy and safe way to keep your Pentastar-powered Jeep JK Wrangler in prime running condition.
- July 15, 2026
- 5 min read
So you’ve taken the plunge and bought yourself a new Jeep. A sparkling fresh 2018 Wrangler. Or maybe it wasn’t even you who did the purchasing, but someone in the family or a significant other
- July 14, 2026
- 5 min read
Whether you're hitting the trails or heading home, there are plenty of air compressor choices to fit everyone's needs.
- July 10, 2026
- 5 min read
Soft and gritty, sand can be fun to drive on in your Jeep as long as you know what you are doing.
