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Jeep Transmissions: SR-4 and T-4

SR-4 front SR-4 side SR-4 back


Jeep Trans

45RFE
46RE
44RE
42RE
46RH
32RH
30RH
AW4
AX-15
AX-5
BA10/5
T-5
TF727
909
999
904
T-4
SR-4
T-178
T-177
T-176
T-150
T-18
T-15
TH400
T-14
T-86
T-90
T-84

Jeep Trans

Upgrades
Factory Options
General


The SR-4 and T-4 are light duty four speeds. Pictured is an SR-4, but they look almost identical from the outside. These transmission were manufactured by Borg-Warner and they often say Ford on the top cover. The case is aluminum and the casting numbers on the drivers side are 13-32 for the SR-4 and 13-51 for the T-4.

The T-4 and SR-4 use a 1 1/8" 10 spline input shaft when they are used with the I6 and 1" 14 spline input shaft when they are used with the I4.

Usage

The SR-4 is a light duty transmission used only in 1980 and 1981 in the 151 and some 258s. The T-4 is also a light duty transmissions used from 1982 until 1986.

Transmission 1st 2nd 3rd 4th 5th Rev
SR-4 4.07 2.39 1.49 1.00 3.95
T-4 4.03 2.37 1.50 1.00 3.76

Last modified Wednesday, 01-Dec-2010 09:17:28 MST


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Comments:

Mike F (10/10/2012)
I have 1982 CJ5 jeep with the Iron Duke 151 engine with Sr-4 transmission would like to swap out the transmission with a B/W T-5 how diffcult of a swa? Do I need a adapter piece?

Reese McNeely (2/1/2012)
I have a1980 cj 7 and I'm trying to figure what transmission I have. I have some numbers, rhb12 2359902308. I'm trying to buy new shifter levers for it and need to know what kind out is, can you help me out.

Etrick (8/13/2011)
Very good info

chris w.a (4/27/2011)
Thanks....your site was very helpful

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