These pages cover the transmissions used in Jeeps over the years.
Transmissions are arranged by the most recently introduced
transmissions first.
45RFE: The 45RFE four speed automatic transmission was used in
1999 Jeep Grand Cherokees with 4.7L engines.
46RE: The 46RE four speed automatic transmission was used in 1998
Jeep Grand Cherokees with 5.9L engines.
44RE: The 44RE four speed automatic transmission was used in 1996
to 1998 Jeep Grand Cherokee's with 5.2L engines.
42RE: The 42RE four speed automatic transmission was used in
1993.3 to 1998 Jeep Grand Cherokees with 4.0L engines.
46RH: The 46RH four speed automatic transmission was used in 1993
to 1995 Jeep Grand Cherokees with 5.2L engines.
32RH: The 32RH three speed automatic transmission was used in 1992
to 1995 Wrangler with 4.0L engine and it continues to be used in 1997+
Wrangler with 4.0L engine.
30RH: The 30RH three speed automatic transmission was used in 1992
to 1995 Wrangler & 1992 to 1996 Cherokee with 2.5L engine.
AW4: The AW4 four speed automatic transmission was used in 1987 to
1990 Jeep Cherokee (XJ), & Jeep Comanche with 2.5L & 4.0L engines. The
AW4 was also used in 1987 through 1992 Jeep Comanche & 1991 through
1998 Jeep Cherokee & 1993 through 1993.5 Jeep Grand Cherokee with 4.0L
engines.
AX-15: The AX-15 is a medium duty 5 speed manual transmission. It
was introduced in mid 1989 in YJs with the 4.2L engine and XJs and MJs
with this engine. The first year of the Grand Cherokee (ZJ), the AX-15
was rare option only with the 4.0L engine. The AX-15 is still used in
TJs and XJs with the 4.0L engine.
AX-5: The AX-5 (and AX-4, the non-overdrive version) is a light
duty 5 speed manual transmission. It was used in all Wranglers from
1987 equipped with the 2.5L I4 engine. It was also used in Cherokees
(XJ) and Comanches (MJ) with the 2.8L V6 and 2.5L I4.
BA10/5: The BA 10/5 is a light duty 5 speed manual transmission.
It was used in all 4.2L equipped Wranglers (YJ) from 1987 to mid-1989,
and all 4.0L Cherokees (XJ) and Comanches (MJ) for the same years.
T-5: The T-5 is a light duty 5 speed transmission used in CJs from
1982 until 1986. It was also found in some 84-85 Cherokees (XJ).
TF727: The TF 727 is a heavy duty 3 speed automatic used in full
sized Jeeps (SJs and J series pickups) from 1980-1983. From 1984-1992
the 727 was only used in these trucks with the AMC 360 V8.
999: The 999 is a medium duty 3 speed automatic used in CJs from
1980-1986. It was also used in 1984-1990 SJs and J pickups with the
4.2L engine, in the YJ from 1987-1991 with the 2.5L and 4.2L engine,
and in the XJ and MJ through 1986.
904,909: The 904 and 909 are light duty 3 speed automatic used in
CJs from 1980-1986 only with the I4 engine. It was also used during
this time period with XJs and MJs with the I4 and V6 engine. The 909
is a 904 with a lock-up torque converter.
SR-4, T-4: The SR-4 and T-4 are light duty four speed manual
transmissions used in CJs from 1980 until 1986.
T-176, T-177, T-178: The T-176, T-177, and T-178 are a medium duty
four speed manual transmission used in Jeep CJs, SJs, and J pickups
from 1980-1986.
T-150: The T-150 is the 3 speed manual transmission that was used
in CJs from 1976 to 1979.
T-18: The T-18 is a heavy duty four speed used in Jeeps from 1971
until 1981. It was only used in the CJ from 1971-1979.
T-15: The T-15 was used only in V8 equipped CJs and Jeep trucks
from 1972 to 1975.
TH400: The TH 400 is a heavy duty three speed automatic that was
used in CJs with the BW 13-39 transfer case from 1976-1979. The TH 400
was also used in full sized Jeeps (SJs and J series pickups) from the
late 60s until 1979.
T-14: he T-14 is a three speed transmission used with the
"Dauntless" Buick V6 and AMC I6 from 1967 to 1975.
T-86: The T-86 is one of the three speeds used with the many CJs
and Jeepster Commandos with the "Dauntless" Buick V6.
T-98: The T-98 varies only slightly from the T-18. It was used
from the 50s until 1970 in different Jeeps.
T-90: The T-90 was the standard three speed for CJ and their
military counterparts built from 1945 until 1971. It was also the
standard transmission for Willys Wagons, Willys Pickups, FC trucks, and
Jeepster/Commandos during this time period.
T-84: The T-84 is a light duty three speed used in MBs and GPWs
during WWII.
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