Factory Ford Transmission Gear Ratios
Article by:  Walt Vengelis Jr.

November 2002

Transmission Gear Ratio Chart

Rear Wheel Drive Automatic Transmissions

Five Speed Automatic Transmissions

Transmission Model	1st Gear Ratio	2nd Gear Ratio	3rd Gear Ratio	4th Gear Ratio	5th Gear 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

Transmission Model	1st Gear Ratio	2nd Gear Ratio	3rd Gear Ratio	4th Gear 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
AODE	2.84	1.55	1.00	0.70
AODEW	2.84	1.55	1.00	0.70
AXODE	2.77	1.54	1.00	0.69
AOD	2.40	1.47	1.00	0.67
AODE	2.40	1.47	1.00	0.67
A4LDE	2.47	1.47	1.00	0.75
ARLD	2.47	1.47	1.00	0.75
E4OD	2.71	1.54	1.00	0.71

Three Speed Automatic Transmissions

Transmission Model	1st Gear Ratio	2nd Gear Ratio	3rd Gear 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

Transmission Model	1st Gear Ratio	2nd Gear Ratio	3rd Gear Ratio	4th Gear Ratio	5th Gear Ratio	6th Gear Ratio
M6HD6	5.79	3.31	2.10	1.31	1.00	0.72
T56	2.90	2.07	1.43	1.00	0.84	0.57

Five Speed Manual Transmissions

Transmission Model	1st Gear Ratio	2nd Gear Ratio	3rd Gear Ratio	4th Gear Ratio	5th Gear Ratio	Comments
T45	3.37	1.99	1.33	1.00	0.67
T5OD	3.35	1.93	1.29	1.00	0.78	92-98
T5OD	3.35	1.99	1.33	1.00	0.68	99-03
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	Mustang 5.0L
M5ODR1	3.72	2.20	1.50	1.00	0.79	2.3L, 3.0L
M50DR1	3.40	2.05	1.31	1.00	0.79	4.0L
M50DR1HD	3.40	2.05	1.31	1.00	0.79
M5ODR2	3.91	2.24	1.49	1.00	0.80
M5ODR4	3.38	2.06	1.30	1.00	0.79
M5HD	4.14	2.37	1.42	1.00	0.77	Close Ratio Gas
M5HD-W	5.72	2.94	1.61	1.00	0.76	Wide Ratio Diesel
M5R2	3.75	2.32	1.43	1.00	0.75

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