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American Motors Corporation (AMC) and Jeep used a variety of transmissions and transfer cases.
This list covers AMC (1954+) and Jeep (1946+) variants thru 1988, and those legacy designs retained by Chrysler after 1988.
Model | OEM | Transmission Material | Gears | Cooling | Engine | Years Used |
Hydramatic Flash-away | GM | Iron | 4 | oil/water | All I6 250/327 V8 | 1956–1957 |
Ultramatic | Packard | Iron | 2 | oil/water | 320 V8 | 1955–1956 |
M-8 | Borg-Warner | Iron | 3 | oil/water | 196 I6 250/287/327 V8 | 1957–1964 (196 only thru 1961) |
M-10 [Note 1] | Borg-Warner | Iron | 3 | oil/water | 287/327 V8 | 1965–1966 |
M-11 | Borg-Warner | Iron | 3 | oil/water | 343 | 1967-1969 |
M-11 | Borg-Warner | Iron | 3 | oil/water | 290 4bbl V8 | 1967-1969 |
M-11B | Borg-Warner | Iron | 3 | oil/water | 360 | 1970–1971 |
M-12 | Borg-Warner | Iron | 3 | oil/water | 390/401 | 1968–1971 |
M-35 | Borg-Warner | Aluminum | 3 | air | 196 I6 | 1962-1965 |
M-36** | Borg-Warner | Aluminum | 3 | air | 199 I6 | 1966–1969 |
M-37 [Note 2] | Borg-Warner | Aluminum | 3 | air | 232 I6 | 1966–1969 |
M-40 | Borg-Warner | Aluminum | 3 | oil/water | 290 2-bbl V8 | 1967–1969 |
M-42 | Borg-Warner | Aluminum | 3 | oil/water | 199 I6 | 1970–1971 |
M-43 | Borg-Warner | Aluminum | 3 | oil/water | 232 I6 | 1970–1971 |
M-44 | Borg-Warner | Aluminum | 3 | oil/water | 304 V8 | 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).
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).
Model | OEM | Transmission Material | Gears | Cooling | Engine | Years Used | Division |
727 | Chrysler | Aluminum | 3 | oil/water | 258 I6 360/401 V8 | 1980–1991 | AMC & Jeep |
904 | Chrysler | Aluminum | 3 | oil/water | 121/150 I4 232/258 I6 151 Iron Duke | 1972–1987 | AMC & Jeep CJ |
998 | Chrysler | Aluminum | 3 | oil/water | 258 I6 and 304 V8 | 1972–1987 | AMC |
999 (30/32RH) | Chrysler | Aluminum | 3 | oil/water | 232/258 I6 150 (2.5 L) I4 | 1980–2002 | AMC, Jeep |
THM400 | GM | Aluminum | 3 | oil/water | 232/258 I6 304/360/401 V8 Buick 350/327 V8, 230 V6 | 1965–1979 | Jeep |
AW4 | Aisin Warner | Aluminum | 4 | oil/water | 242 (4.0 L) I6 | 1987–2001 | Jeep |
500SE (42RE) | Chrysler | Aluminum | 4 | oil/water | 242 (4.0 L) I6 | 1993–2004 | Jeep |
42RLE | Chrysler | Aluminum | 4 | oil/water | 3.7, 4.0 (242) V6 | 2002–present | Jeep |
This section needs expansion. You can help by adding to it. (June 2008) |
Model | OEM | Transmission Material | Gears 1st, 2nd, 3rd, 4th, Rev | Engine | Years Used | Division |
---|---|---|---|---|---|---|
T-96 | Borg Warner | Iron | 2.605, 1.630, 1.000, 3.536 | 195.6-199 I6 | 1958-72 | AMC |
T-85 w/OD | Borg Warner | Iron | 2.57, 1.55, 1.00, 0.70, 3.489 | 232 I6 all V8 | 1964-65 | AMC |
T-86 | Borg Warner | Iron | 2.57, 1.86, 1.00, 3.154 | 232 I6 250-290 V8 | 1958-67 | AMC |
T-85 | Borg Warner | Iron | 2.49, 1.55, 1.00, 3.489 | 327 V8 | 1958-66 | AMC |
T-10 | Borg Warner | Iron | 2.43, 1.76, 1.47, 1.00, 2.49 (P Series) | all V8 | 1965-68 | AMC |
T-10 | Borg Warner | Iron | 2.64, 2.10, 1.49, 1.00, 2.49 (T series) | all V8 | 1967-68 | AMC |
T-10 | Borg Warner | Iron | 2.23, 1.76, 1.35, 1.00, 2.49 (V series) | all V8 | 1969-74 | AMC |
T-14 | Borg Warner | Iron | 2.636, 1.605, 1.000, 2.636 | all I6 304 V8 | 1968-74 | AMC |
T-15 | Borg Warner | Iron | 2.548, 1.558, 1.000, 2.548 | all V8s greater than 304 | 1968-72 | AMC |
T-150/150T | Borg Warner | Iron | 2.99, 1.75, 1.00, 3.17 (OD 0.75) | I6 and 304 V8 only 1976 | 1975-79 | AMC |
SR4 | Borg Warner | Aluminium | 4.07, 2.39, 1.49, 1.00, 3.95 | I4 | 1979–1981 | AMC & Jeep |
SR4 | Borg Warner | Aluminum | 4.07, 2.39, 1.49, 1.00, 3.95 | I6 and 304 V8 only 1978-1979 | 1977-82 | AMC |
SR4 | Borg Warner | Aluminium | 3.50, 2.21, 1.43, 1.0, 3.39 | I6 | 1979–1981 | Eagle & Jeep |
HR1 | Ford | Aluminum | 3.65, 1.97, 1.37, 1.00, 3.66 | 2.0 L I4 | 1977-79 | AMC |
T-4 | Borg Warner | Aluminum | 4.03, 2.37, 1.50, 1.00, 3.76 | I6 | 1982-84 | AMC |
T-5 | Borg Warner | Aluminum | 4.03, 2.37, 1.50, 1.00, 0.86, 3.76 | I6 | 1982-88 | AMC |
Sources for ratios are various AMC Technical Service Manuals.
List of Chrysler transmissions (for list of transmission used in AMC vehicles after Chrysler buyout)
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