Jeep Transmission



Assuming your Jeep hasn't had a different transmission swapped into it, here are the original factory transmissions produced since 1945 (manuals) and 1963 (automatics). Jeep Automatic Transmissions Available from Midwest Transmission Inc. Running damaged or worn out Automatic Transmission is dangerous and can cost you a lot of money. We offer a very popular line of Heavy Duty Road Runner Series Automatic Transmission and Torque Converter Packages for Jeep.

American Motors Corporation (AMC) and Jeep used a variety of transmissions and transfer cases.

These articles were originally written to cover only transmissions used in CJs, YJs, TJs, and their military brethren. It is being expanded to cover all Jeep models. 45RFE: The 45RFE four speed automatic transmission was used in 1999 Jeep Grand Cherokees with 4.7L engines. Jeep Transmission Parts. You know how it is; once the transmission goes, that's the end of the road (and the off-road). But it doesn't have to be game over just yet when you can replace the transmission on your Jeep or truck. Bring your dead rig back to life with Jeep replacement transmission parts and accessories that can get your Jeep.

This list covers AMC (1954+) and Jeep (1946+) variants thru 1988, and those legacy designs retained by Chrysler after 1988.

Early AMC (1955-1971) automatic[edit]

ModelOEMTransmission
Material
GearsCoolingEngineYears Used
Hydramatic
Flash-away
GMIron4oil/waterAll I6
250/327 V8
1956–1957
UltramaticPackardIron2oil/water320 V81955–1956
M-8Borg-WarnerIron3oil/water196 I6
250/287/327 V8
1957–1964
(196 only thru 1962)
M-10 [Note 1]Borg-WarnerIron3oil/water287/327 V81965–1966
M-11Borg-WarnerIron3oil/water343/360 V81967–1971
M-11ABorg-WarnerIron3oil/water290 4bbl V81967–1971
M-11BBorg-WarnerIron3oil/water304/360 V81970–1971
M-12Borg-WarnerIron3oil/water360/390/401 V81968–1971
M-35Borg-WarnerAluminum3air196 I61963–1965
M-36**Borg-WarnerAluminum3air199 I61966–1969
M-37 [Note 2]Borg-WarnerAluminum3air232 I61966–1969
M-40Borg-WarnerAluminum3oil/water290 2-bbl V81967–1969
M-42Borg-WarnerAluminum3oil/water199 I61970–1971
M-43Borg-WarnerAluminum3oil/water232 I61970–1971
M-44Borg-WarnerAluminum3oil/water304 V81970–1971
  1. ^The 'M-10' is not the actual Borg-Warner designation. This is a variation of the M-8 that uses a TV (Throttle Valve) cable instead of a vacuum modulator to control internal transmission pressure. The TV cable also serves as a 'kick-down' control when fully pushed in under a predetermined speed. Most parts interchange, but the case and valve body are different to accommodate TV cable or vacuum modulator.
  2. ^The M-36 and 37 have provisions for an external oil/water or oil/air cooler. Heavy-duty and towing package configurations came from the factory with oil/water cooling instead of air cooling. An aftermarket air/air cooler can be added. Some were added by dealers at purchasers request. Extra internal parts may be required for an external cooler.
Jeep

Early Jeep Automatic (1970-1971)[edit]

  • Jeep Wagoneer/Grand Wagoneer

Kaiser Jeep was purchased by AMC in 1970.

Jeep transmission id

The Buick 350 cu in (5.7 L)V8, AMC 232 I6, and AMC 327, 360 V8 engines in the FSJ Wagoneer and trucks used a 'nailhead' pattern TH400—also known as a 'unipattern,' as it was used by many other manufacturers (including Rolls Royce and Jaguar) with an adapter ring—from 1965-1972.

The Buick 225 cu in (3.7 L) V6, available with an optional automatic transmission in the Jeepster Commando, used the same 'nailhead' pattern TH400. Starting in 1973, AMC discontinued the use of the adapter ring, as it sourced a TH400 case from GM with the AMC bellhousing pattern already cast. The TH400 AMC case was used until the end of 1979 model production.

The 232 cu in (3.8 L) I6 used in 1970-72 Jeep DJ 'Postal Jeep' was backed up by the Borg-Warner T-35 3-speed automatic. At the time of the acquisition, Kaiser-Jeep was using a GM 2-speed Powerglide transmission in the DJ-5A (with the GM-sourced 2.5L I4).

Late AMC/Jeep (1971-2006) automatic[edit]

  • Jeep Cherokee XJ (1987–2001)
  • Jeep Wrangler YJ and TJ (1987–2006)
  • Jeep Grand Cherokee ZJ and WJ (1993–2004)
  • Jeep Wagoneer/Grand Wagoneer

AMC phased out the use of the Borg-Warner Shift-Command transmissions when the company transitioned to using the Chrysler Torqueflite. AMC branded the Torqueflites as the Torque Command using the previous naming convention - both the A-727 and A-904 (including the later 999 derivatives) were used with the addition of the Aisin-Warner 4 (AW4) used with the Jeep XJ series. Jeep vehicles throughout the 1970s used the GM Turbo Hydramatic 400 - the use of the GM transmission goes back to 1965 where Kaiser-Jeep installed it in the AMC 327 cu in (5.4 L) V8 in the full-size Wagoneer and J-trucks.

The TH400 was phased out for the 1980 models, when the A-727 replaced the TH-400 as the only automatic transmission option for both the SJ Wagoneer/Cherokee wagons and the J-10/J-20 trucks. Internally similar to the Chrysler A-727, the case was one-piece, cast with an AMC pattern bellhousing (not interchangeable with a Chrysler pattern A-727).

ModelOEMTransmission
Material
GearsCoolingEngineYears UsedDivision
727ChryslerAluminum3oil/water258 I6
360/401 V8
1980–1991AMC & Jeep
904ChryslerAluminum3oil/water121/150 I4
232/258 I6
151 Iron Duke
1972–1987AMC & Jeep CJ
998ChryslerAluminum3oil/water258 I6 and 304 V81972–1987AMC
999 (30/32RH)ChryslerAluminum3oil/water232/258 I6
150 (2.5 L) I4
1980–2002AMC, Jeep
THM400GMAluminum3oil/water232/258 I6
304/360/401 V8
Buick 350/327 V8, 230 V6
1965–1979Jeep
AW4Aisin WarnerAluminum4oil/water242 (4.0 L) I61987–2006Jeep
500SE (42RE)ChryslerAluminum4oil/water242 (4.0 L) I61993–2004Jeep
42RLEChryslerAluminum4oil/water3.7, 4.0 (242) V62002–presentJeep

AMC manual[edit]

Recalls On 2017 Jeep Cherokee Latitude

ModelOEMTransmission
Material
Gears 1st, 2nd, 3rd, 4th, RevEngineYears UsedDivision
T-96Borg WarnerIron2.605:1, 1.630:1, 1.000:1, 3.536:1195.6-199 I61958-72AMC
T-85 w/ODBorg WarnerIron232 I6
all V8
1964-65AMC
T-86Borg WarnerIron232 I6
250-290 V8
1958-67AMC
T-85Borg WarnerIron327 V81958-66AMC
T-10Borg WarnerIronall V81965-74AMC
T-14Borg WarnerIronall I6
304 V8
1968-74AMC
T-15Borg WarnerIronall V8s greater than 3041968-72AMC
T-150/150TBorg WarnerIronI6
and 304 V8 only 1976
1975-79AMC
SR4Borg WarnerAluminium4.07, 2.39, 1.49, 1.00, 3.95I41979–1981AMC & Jeep
SR4Borg WarnerAluminumI6
and 304 V8 only 1978-1979
1977-82AMC
SR4Borg WarnerAluminium3.50, 2.21, 1.43, 1.0, 3.39I61979–1981Eagle & Jeep
HR1FordAluminum2.0 L I41977-79AMC
T-4Borg WarnerAluminumI61982-84AMC
T-5Borg WarnerAluminumI61982-88AMC

See also[edit]

Jeep Transmission Control Module

List of Chrysler transmissions (for list of transmission used in AMC vehicles after Chrysler buyout)

Jeep

Jeep Transmission Repair Near Me

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