Transmissions

The Wrangler YJ was produced with four different transmissions. Depending on the year the vehicle and the engine it had determined which transmission it was outfitted with. There were three different manual transmissions and one automatic transmission.

Manual Transmissions

  • 4-cylinder models came with the Aisin-Warner AX-5. This was a 5-speed manual transmission.
  • 6-cylinder models built from 1987-1989 came with the Peugeot BA-10. This was a 5-speed manual transmission. The Peugeot BA-10 has long been touted as the worst transmission ever put into a Jeep vehicle - EVER!
  • 6-cylinder models built from 1990-95 came with the Aisin-Warner AX-15. This was a 5-speed manual transmission that had plenty of strength to handle any condition the Jeep was driving in -- on or off-road. It has been reported that some 1989 models were lucky enough to come from the factory with one of these.

Automatic Transmissions

  • All models with an automatic transmission came with the Aisin-Warner AW30-40. This was a 4-speed automatic transmission with an overdrive fourth gear.
Factory Jeep Wrangler YJ Transmission Specifications
TRANSMISSION SPEEDS 1ST 2ND 3RD 4TH 5TH REVERSE YEARS
AX-5 5 3.93 2.33 1.45 1.00 0.85 4.74 1987-94
AX-5 5 3.93 2.33 1.45 1.00 0.79 4.22 1989-95
BA10 5 4.03 2.33 1.45 1.00 0.79 3.39 1987-89
Jeep Wrangler YJ AX5 Transmission Bell Housing.  OEM

Jeep Wrangler YJ AX5 Transmission Bell Housing. OEM

$36.99
18608.05 Stud Stable Transmission Mount Jeep Wrangler CJ YJ 1976-1995

18608.05 Stud Stable Transmission Mount Jeep Wrangler CJ YJ 1976-1995

$20.00
AX15 Transmission transfer case assembly Shifter, Jeep Wrangler YJ, 1987-1995

AX15 Transmission transfer case assembly Shifter, Jeep Wrangler YJ, 1987-1995

$800.00
91 92 JEEP WRANGLER AUTOMATIC TRANSMISSION 61420

91 92 JEEP WRANGLER AUTOMATIC TRANSMISSION 61420

$375.00
87-95 Jeep Wrangler Engine Motor Transmission Mount

87-95 Jeep Wrangler Engine Motor Transmission Mount

$24.45
87-95 Jeep Wrangler Engine Motor Transmission Mount

87-95 Jeep Wrangler Engine Motor Transmission Mount

$30.40
18886.34 Omix Transmission Reverse Gear (AX4-AX5) JEEP Cherokee Wrangler 1998-02

18886.34 Omix Transmission Reverse Gear (AX4-AX5) JEEP Cherokee Wrangler 1998-02

$116.25
Jeep YJ 87-95 Wrangler 2.5 TRANSMISSION SHIFTER KNOB Shift Indicator 4 Cylinder

Jeep YJ 87-95 Wrangler 2.5 TRANSMISSION SHIFTER KNOB Shift Indicator 4 Cylinder

$20.00
18886.35 Omix Transmission 1st Gear (AX4-AX5) JEEP Cherokee Wrangler 1984-1988

18886.35 Omix Transmission 1st Gear (AX4-AX5) JEEP Cherokee Wrangler 1984-1988

$208.25
18886.36 Omix-ADA Transmission 1st Gear (AX4-AX5) JEEP Cherokee Wrangler 1989-02

18886.36 Omix-ADA Transmission 1st Gear (AX4-AX5) JEEP Cherokee Wrangler 1989-02

$157.25
18886.37 Omix-ADA Transmission 1st Gear Bearing JEEP Cherokee Wrangler 1984-88

18886.37 Omix-ADA Transmission 1st Gear Bearing JEEP Cherokee Wrangler 1984-88

$39.00
18886.40 Omix-ADA Transmission 1st Gear Race JEEP Cherokee 89-01 Wrangler 89-02

18886.40 Omix-ADA Transmission 1st Gear Race JEEP Cherokee 89-01 Wrangler 89-02

$23.75
87 88 89 90 91 92 93 JEEP WRANGLER MANUAL TRANSMISSION 4 CYL 231 TRANSFER CASE

87 88 89 90 91 92 93 JEEP WRANGLER MANUAL TRANSMISSION 4 CYL 231 TRANSFER CASE

$500.00
18391.01 Rugged Ridge Poly Transmission Mount JEEP Wrangler 1997-2006 (AX4-AX5)

18391.01 Rugged Ridge Poly Transmission Mount JEEP Wrangler 1997-2006 (AX4-AX5)

$78.99
Omix-Ada 18676.50 - 87-95 Jeep Wrangler Transfer Case Output Shaft

Omix-Ada 18676.50 - 87-95 Jeep Wrangler Transfer Case Output Shaft

$149.66
Rugged Ridge 18305.10 - 87-95 Jeep Wrangler Transfer Case Lowering Kit

Rugged Ridge 18305.10 - 87-95 Jeep Wrangler Transfer Case Lowering Kit

$32.74
94 95 JEEP WRANGLER AUTOMATIC TRANSMISSION 4 CYL 20289

94 95 JEEP WRANGLER AUTOMATIC TRANSMISSION 4 CYL 20289

$495.00
Jeep Wrangler TJ AX5 Transmission Mount Bracket 97-02 5sp Manual Trans

Jeep Wrangler TJ AX5 Transmission Mount Bracket 97-02 5sp Manual Trans

$29.95
JEEP WRANGLER YJ TJ 4.0 REBUILT AX15 EXT SLAVE 6 CYL TRANSMISSION $150 BACK

JEEP WRANGLER YJ TJ 4.0 REBUILT AX15 EXT SLAVE 6 CYL TRANSMISSION $150 BACK

$1,000.00
90-02 JEEP WRANGLER YJ TJ 2.5L REBUILT AX5 INTERNAL SLAVE 2.5 4 CYL TRANSMISSION

90-02 JEEP WRANGLER YJ TJ 2.5L REBUILT AX5 INTERNAL SLAVE 2.5 4 CYL TRANSMISSION

$800.00

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