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1994-1997 42, R46, R47 RH
Automatic Transmission Specs
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Automatic, 4-Speed Overdrive Gear Ratios
Transmission 42RH 46RH (A518) 47RH (A618)
1st Gear 2.74 2.45 2.45
2nd Gear 1.54 1.45 1.45
3rd Gear 1.00 1.00 1.00
4th Gear 0.69 0.69 0.69
R Gear 2.21 2.21 2.21
Torque Converter
Diameter
273 mm
(10.75 in.)
273 mm
(10.75 in.)
310 mm
(12.2 in.)
Input Torque
Rating (ft-lb)
NA NA 450
GCVW (lb) 7,800 14,000 19,000
Application V6 2WD

V6 4WD, V8

V10, Diesel

Automatic Transmission Identification

Transmission identification numbers are stamped on the driver side of the case flange just above the oil pan gasket (just below the TV lever). There will be a 9 digit part number, a space, a 4 digit build date, a spave, and a 4 digit serial number.

Subject:    Re: [RAM] (RAM) Transmission ID
To:            ramtruck

> It's time to change the filter and adjust the bands on my truck. Is there an
> easy way to identify my transmission? (47RH or 46RH)?

Auto Trans code breaks down like this:

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


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  Last Update May 24, 2001