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
18887.80 Omix-Ada AX15 Transmission Housing Plug Jeep Wrangler Cherokee 1988-99

18887.80 Omix-Ada AX15 Transmission Housing Plug Jeep Wrangler Cherokee 1988-99

$10.98
Jeep Wrangler 4.0L 4.2L Flex Plate Converter Cover Auto Transmission YJ

Jeep Wrangler 4.0L 4.2L Flex Plate Converter Cover Auto Transmission YJ

$15.00
94 95 JEEP WRANGLER MANUAL TRANSMISSION 4 CYL

94 95 JEEP WRANGLER MANUAL TRANSMISSION 4 CYL

$595.00
18887.74 Omix-ADA Transmission Drain Plug (AX15) JEEP Wrangler Cherokee 1987-99

18887.74 Omix-ADA Transmission Drain Plug (AX15) JEEP Wrangler Cherokee 1987-99

$3.98
AX-5 AX5 Jeep Wrangler Manual 2.5L Transmission

AX-5 AX5 Jeep Wrangler Manual 2.5L Transmission

$675.00
Omix-Ada 16908.03 - 91-93 Jeep Wrangler Clutch Master Cylinder

Omix-Ada 16908.03 - 91-93 Jeep Wrangler Clutch Master Cylinder

$52.29
PROTHANE Motor & Transmission Mount Bushing Kit Jeep Wrangler 87-96 YJ Red Kit

PROTHANE Motor & Transmission Mount Bushing Kit Jeep Wrangler 87-96 YJ Red Kit

$133.97
Omix-Ada 16527.41 - 87-95 Jeep Wrangler Axle Shaft Bearing Collar

Omix-Ada 16527.41 - 87-95 Jeep Wrangler Axle Shaft Bearing Collar

$62.42
Omix-Ada 16521.01 - 1987 Jeep Wrangler Pinion Oil Seal

Omix-Ada 16521.01 - 1987 Jeep Wrangler Pinion Oil Seal

$5.16
Omix-Ada 16582.02 - 87-95 Jeep Wrangler Yoke U-Bolt Kit 2 Pcs

Omix-Ada 16582.02 - 87-95 Jeep Wrangler Yoke U-Bolt Kit 2 Pcs

$19.36
Omix-Ada 16525.05 - 92-95 Jeep Wrangler Axle U-Joint

Omix-Ada 16525.05 - 92-95 Jeep Wrangler Axle U-Joint

$44.39
Omix-Ada 16585.02 - 87-91 Jeep Wrangler Driveshaft U-Joint

Omix-Ada 16585.02 - 87-91 Jeep Wrangler Driveshaft U-Joint

$22.10
Omix-Ada 16908.02 - 87-90 Jeep Wrangler Clutch Master Cylinder

Omix-Ada 16908.02 - 87-90 Jeep Wrangler Clutch Master Cylinder

$50.45
Omix-Ada 16582.01 - 87-95 Jeep Wrangler Yoke U-Bolt Kit 2 Pcs

Omix-Ada 16582.01 - 87-95 Jeep Wrangler Yoke U-Bolt Kit 2 Pcs

$10.24
18887.67 AX15 Transmission 3rd & 4th Shift Fork Jeep Wrangler Cherokee 1987-1999

18887.67 AX15 Transmission 3rd & 4th Shift Fork Jeep Wrangler Cherokee 1987-1999

$29.98
JEEP WRANGLER Transmission Manual MT 6 cyl 92 93 Factory OEM

JEEP WRANGLER Transmission Manual MT 6 cyl 92 93 Factory OEM

$838.99
Jeep Wrangler TJ YJ Automatic Transmission Flex Plate 87- 06 6 cyl. 4.0 2002

Jeep Wrangler TJ YJ Automatic Transmission Flex Plate 87- 06 6 cyl. 4.0 2002

$65.00
87-95 JEEP YJ WRANGLER Transmission Tunnel Floor Cover Plate Shifter (OEM, USED)

87-95 JEEP YJ WRANGLER Transmission Tunnel Floor Cover Plate Shifter (OEM, USED)

$35.00
Jeep 87-on AX5 Transmission Rebuild Kit AX-5 5spd 1987-2002 (BK161LAWS)

Jeep 87-on AX5 Transmission Rebuild Kit AX-5 5spd 1987-2002 (BK161LAWS)

$115.00
Jeep YJ Wrangler Clutch Master Cylinder  94-95 16908.04 52107642

Jeep YJ Wrangler Clutch Master Cylinder 94-95 16908.04 52107642

$45.00

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