Ford Motor Company Transmission Gear Ratio's
Rear Wheel Drive Automatic Transmissions
Five Speed Automatic Transmissions
1st 2nd 3rd 4th 5th
Trans Gear Gear Gear Gear Gear
Model Ratio Ratio Ratio Ratio Ratio
A5LDE 2.47 1.87 1.47 1.00 0.75
5R55E 2.47 1.87 1.47 1.00 0.75
5R55N 3.25 2.44 1.55 1.00 0.75
5R55W 3.22 2.41 1.55 1.00 0.75
Four Speed Automatic Transmissions
1st 2nd 3rd 4th
Trans Gear Gear Gear Gear
Model Ratio Ratio Ratio Ratio
4R44E 2.47 1.47 1.00 0.75
4R55E 2.47 1.47 1.00 0.75
4R70W 2.84 1.55 1.00 0.70
4R100 2.71 1.54 1.00 0.71
AOD 2.40 1.47 1.00 0.67
AOD-E 2.40 1.47 1.00 0.67
A4LDE 2.47 1.47 1.00 0.75
A4LD 2.47 1.47 1.00 0.75
E4OD 2.71 1.54 1.00 0.71
Three Speed Automatic Transmissions
1st 2nd 3rd
Trans Gear Gear Gear
Model Ratio Ratio Ratio
C4 2.46 1.46 1.00
C5 2.46 1.46 1.00
C6 2.46 1.46 1.00
Ford Rear Wheel Drive Manual Transmissions
Six Speed Manual Transmissions
1st 2nd 3rd 4th 5th 6th
Trans Gear Gear Gear Gear Gear Gear
Model Ratio Ratio Ratio Ratio Ratio Ratio
M6HD-6 5.79 3.31 2.10 1.31 1.00 0.72
Tremec T56 2.90 2.07 1.43 1.00 0.84 0.57
Five Speed Manual Transmissions
1st 2nd 3rd 4th 5th
Trans Gear Gear Gear Gear Gear
Model Ratio Ratio Ratio Ratio Ratio
T45 3.37 1.99 1.33 1.00 0.67
T5OD 1992-1998 3.35 1.93 1.29 1.00 0.78
T5OD 1999-2003 3.35 1.99 1.33 1.00 0.68
TR3650 ???????????
M5OD 3.97 2.34 1.46 1.00 0.79 (Mustang 2.3L)
M5OD 3.35 1.93 1.29 1.00 0.68 (85-88.5 5.0L)
M5OD 3.35 1.99 1.33 1.00 0.68 (88.5-93 5.0L)
M5OD-R1 3.72 2.20 1.50 1.00 0.79 (2.3L, 3.0L Engines)
M5OD-R1 3.40 2.05 1.31 1.00 0.79 (4.0L Engine)
M5OD-R1HD 3.40 2.05 1.31 1.00 0.79
M5OD-R2 3.91 2.24 1.49 1.00 0.80
M5OD-R4 3.38 2.06 1.30 1.00 0.79
M5HD 4.14 2.37 1.42 1.00 0.77 (Close Ratio - Diesel)
M5HD-W 5.72 2.94 1.61 1.00 0.76 (Wide Ratio - Gasoline)
M5R2 3.75 2.32 1.43 1.00 0.75
M5R2-C ??????????
M5-221 ??????????
Four Speed Manual Transmissions
1st 2nd 3rd 4th
Trans Gear Gear Gear Gear
Model Ratio Ratio Ratio Ratio
T18 6.32 3.09 1.69 1.00
T18-A 6.32 3.09 1.69 1.00
T19 5.11 3.03 1.79 1.00
T-176 3.52 2.27 1.46 1.00
T199 Send us the gear ratios
TR-3340 Send us the gear ratios
NP435 6.69 3.34 1.79 1.00
Source: Ford 1997-2000 Powertrain Service Engineering Product Guide, Ford 1992-2003 Service Manuals