12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

Differences between RH and RE

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Old Jul 21, 2005 | 02:33 AM
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Jambbii's Avatar
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From: Gilbert, Az
Differences between RH and RE

What are the differences in these transmissions? I heard that the RH has better inptut shafts.


Thanks
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Old Jul 22, 2005 | 08:54 PM
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bmoeller's Avatar
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From: NW IL
I've heard same about the shafts.

Auto Trans code breaks down like this:

4 = 4 forward speeds
7 = strength of trans. (1-9, higher number, stronger trans.)
R = Rear wheel drive
H=Hydraulic controlled, E = Electronic controlled shift

The input torque rating is the same, according to-

http://dodgeram.org/tech/transmission/4xre.htm

Do see one error, though. The RH was used '94 & '95. RE started in '96.
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Old Jul 22, 2005 | 08:58 PM
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From: outside of Duluth MN
My understanding after talking with Dave Goerends is that they are basicaly the same transmissions. About the only difference was the controls.
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Old Jul 22, 2005 | 09:52 PM
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The input and intermediate shafts are the same for the two trannies...

Its the output shaft that is different. Due to the model years you can not find a billet unit for the output. (YET!!! A limited run is going to be made)

The output on the RH is stouter than the RE for some reason.......

Other than the O/D controls.. they are the same.



Mark
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