List of AMC Transmission Applications

Last updated

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

Contents

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

ModelOEMTransmission
Material
GearsCoolingEngineYears Used
Hydramatic
Flash-away
GMIron4oil/waterAll I6
250/327 V8
1956–1957
Ultramatic Packard Iron2oil/water320 V81955–1956
M-8 Borg-Warner Iron3oil/water196 I6
250/287/327 V8
1957–1964
(196 only thru 1961)
M-10 [Note 1] Borg-WarnerIron3oil/water287/327 V81965–1966
M-11Borg-WarnerIron3oil/water3431967-1969
M-11Borg-WarnerIron3oil/water290 4bbl V81967-1969
M-11BBorg-WarnerIron3oil/water3601970–1971
M-12Borg-WarnerIron3oil/water390/4011968–1971
M-35 Borg-WarnerAluminum3air196 I61962-1965
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.

Early Jeep Automatic (1970-1971)

Kaiser Jeep was purchased by AMC in 1970.

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 to 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

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
727 ChryslerAluminum3oil/water258 I6
360/401 V8
1980–1991AMC & Jeep
904 ChryslerAluminum3oil/water121/150 I4
232/258 I6
151 Iron Duke
1972–1987AMC & Jeep CJ
998 ChryslerAluminum3oil/water258 I6 and 304 V81972–1987AMC
999 (30/32RH) ChryslerAluminum3oil/water232/258 I6
150 (2.5 L) I4
1980–2002AMC, Jeep
THM400 GMAluminum3oil/water232/258 I6
304/360/401 V8
Buick 350/327 V8, 230 V6
1965–1979Jeep
AW4 Aisin Warner Aluminum4oil/water242 (4.0 L) I61987–2001Jeep
500SE (42RE) ChryslerAluminum4oil/water242 (4.0 L) I61993–2004Jeep
42RLEChryslerAluminum4oil/water3.7, 4.0 (242) V62002–presentJeep

AMC manual

ModelOEMTransmission
Material
Gears 1st, 2nd, 3rd, 4th, RevEngineYears UsedDivision
T-96Borg WarnerIron2.605, 1.630, 1.000, 3.536195.6-199 I61958-72AMC
T-85 w/ODBorg WarnerIron2.57, 1.55, 1.00, 0.70, 3.489232 I6
all V8
1964-65AMC
T-86Borg WarnerIron2.57, 1.86, 1.00, 3.154232 I6
250-290 V8
1958-67AMC
T-85Borg WarnerIron2.49, 1.55, 1.00, 3.489327 V81958-66AMC
T-10Borg WarnerIron2.43, 1.76, 1.47, 1.00, 2.49 (P Series)all V81965-68AMC
T-10Borg WarnerIron2.64, 2.10, 1.49, 1.00, 2.49 (T series)all V81967-68AMC
T-10Borg WarnerIron2.23, 1.76, 1.35, 1.00, 2.49 (V series)all V81969-74AMC
T-14Borg WarnerIron2.636, 1.605, 1.000, 2.636all I6
304 V8
1968-74AMC
T-15Borg WarnerIron2.548, 1.558, 1.000, 2.548all V8s greater than 3041968-72AMC
T-150/150TBorg WarnerIron2.99, 1.75, 1.00, 3.17 (OD 0.75)I6
and 304 V8 only 1976
1975-79AMC
SR4Borg WarnerAluminium4.07, 2.39, 1.49, 1.00, 3.95I41979–1981AMC & Jeep
SR4Borg WarnerAluminum4.07, 2.39, 1.49, 1.00, 3.95I6
and 304 V8 only 1978-1979
1977-82AMC
SR4Borg WarnerAluminium3.50, 2.21, 1.43, 1.0, 3.39I61979–1981Eagle & Jeep
HR1FordAluminum3.65, 1.97, 1.37, 1.00, 3.662.0 L I41977-79AMC
T-4Borg WarnerAluminum4.03, 2.37, 1.50, 1.00, 3.76I61982-84AMC
T-5 Borg WarnerAluminum4.03, 2.37, 1.50, 1.00, 0.86, 3.76I61982-88AMC

Sources for ratios are various AMC Technical Service Manuals.

See also

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

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