Skip to main content
Reference

1987-2002

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: 5
Case 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.
 
 Notes:  11/8 inch 10 spline input shaft. Non removable bellhousing.  23 Spline output.
 
 Notes:  11/8 inch 10 spline input shaft.

Top Jeep Articles

  • December 18, 2024
  • 3 min read
Stellantis Reverses Course: Will Offer 2025 Wrangler V6 With Automatic
Company previously said the popular Pentastar would only arrive with a manual transmission for 2025.
READ MORE
  • December 12, 2024
Top Ten Best Ways To Winterize Your Jeep
Keep your vehicle running smooth and safe during these long winter months.
READ MORE
  • December 9, 2024
  • 5 min read
Top Five Things Every Jeep Wrangler Owner Should Know
Jeep ownership wins you a lot of perks. So here are the five most important things to understand.
READ MORE
  • December 5, 2024
  • 25 min read
Top Jeep Gifts For 2024
Best selling gift ideas for that special enthusiast in your life.
READ MORE
  • December 4, 2024
  • 4 min read
How To Clean Your Jeep's Neoprene Seat Covers
While easy to install and remove, these comfortable protective items do need a little attention when washing to ensure a long lifespan.
READ MORE
  • December 2, 2024
  • 8 min read
Jeep Lift Kit Q & A
A Jeep suspension lift can be a great modification for your vehicle. And if you have questions, here is what you need to know.
READ MORE
  • November 29, 2024
  • 9 min read
How To Enjoy Jeep Winter Driving
It is not always pristine when you head out on the road or trail. And when winter weather hits, here is what you need to know.
READ MORE