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Manual Transmission Identification for 1987-2008 Jeep Vehicles

Advance Adapters Manual Transmission Identification chart for 1987-2006 Jeep Vehicles.

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.
Article Type: 
Jeep Vehicle Information