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Heavy Duty Automatics
Model: C6
Type: three speed non electronic
Years: 1980-1991: F-Series, Bronco
..........1992-1997: F-2/3/450
Engines: 300, 302, 351, 460, 6.9L, 7.3L
Display: PRND21
Ratios:
1st 2.46:1
2nd 1.46:1
3rd 1.00:1
Trans code: G
Model: E4OD
Type: Electronic Four speed Over Drive
Years: 1990-1996 Bronco, F-Series
..........1997: F-2/3/450
Engines: 300, 302, 351, 460, 7.3L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E
Model: 4R100
Type: Four speed + reverse and 100(x10)lbs of torque
Years: 99-03 F150/superduty
..........03-04 gas superduty
Engines: 5.4L, 6.8L, 7.3L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E (gas), 9 (diesel)
Model: 5R110 “Torqushift”
Type: Five speed + reverse and 110(x10)lbs of torque
Years: 03-06 6.0L,
..........05-06 5.4L, 6.8L Superdutys
Display: PRN(D)321 w/ tow haul lockout switch
Ratios:
1st 3.09:1
2nd
3rd
4th 1.00:1
5th 0.71:1
Trans code: B
Light Duty Automatics
Model: AOD
Type: Four speed non electronic
Years: 85-93 Bronco, F-Series
Engines: 300, 302
Display: PRN(D)D1
Ratios:
1st 2.40:1
2nd 1.47:1
3rd 1.00:1
4th 0.67:1
Trans code: T ?
Model: 4R70w
Type: Four speed + reverse and 70(x10)lbs of torque
Years: 94-96 Bronco, F150
..........97-03 Expedition, F150
..........04-06 F150
Engines: 300, 302, 4.2L, 4.6L, 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: U
Model: 4R75E
Type: Four speed + reverse and 75(x10)lbs of torque
Years: 04-06 F150
Engines: 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: B
Manuals
Model: M5OD-R2
Type: Five speed Mazda Overdrive
Years: 88-96 Bronco, F150s
..........97-03 F150s
..........05 F150 (v6)
Engines: 300, 302, 4.2L, 4.6L,
Display:
1.3.(D)
2.4.R
Ratios:
1st 3.90:1
2nd 2.25:1
3rd 1.46:1
4th 1.00:1
5th 0.80:1
Construction features: External Ribs in square patterns
Trans code: M
Model: SROD
Type: Four speed overdrive w/ push down reverse
Years: 80-83(4?)
Engines: 300, 302
Display:
P..R..1..3
U
S.....2..OD
H
Ratios:
1st 3.25:1
2nd 1.92:1
3rd 1.00:1
4th 0.78:1
Reverse 3.25:1
Construction features: Aluminum, shifter near back
Trans code: B
Model: NP-435
Type: Four speed non overdrive
Years: 80-87?
Engines: 300, 302, Your mostly gonna find it behind a 300.
Display:
1.2
3.4.R
Construction features: Cast Iron w/aluminum top plate, shifter in top, PTO Pass side
Ratios:
1st 6.69:1
2nd 3.34:1
3rd 1.79:1
4th 1.00:1
Reverse 3.25:1
Trans code: ?
Model: T18
Type: Four speed, non overdrive, non syncro first gear
Years: ?
Engines: 300, 302, 351, 460, 6.9L
Display:
1.2
3.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 5.11:1
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code: ?
Model: T19
Type: Four speed, non overdrive, syncro first gear
Years: ?
Engines: 300, 302, 351, 460, 6.9L, 7.3L
Display:
1.2
3.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 5.11:1
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code ?
Model: ZF5
Type: Five speed heavyduty overdrive
Years: 87-99 F2/3/450/superduty
Engines: 300, 351, 460, 6.9?, 7.3
Display:
1.3.(D)
2.4.R
Ratios: ?
Trans code: 2
Model: ZF6
Type: Six speed heavyduty overdrive
Years: 99-06 F-superduty
Engines: 5.4, 6.8, 7.3, 6.0
Display:
R.1.3.(D)
L.2.4
Ratios:
Low 5.79:1
First 3.30:1
Second 2.10:1
Third 1.31:1
Fourth 1.00:1
Overdrive 0.72:1
Reverse 5.23:1
Trans code: 6 (diesel), 5 (gas)
Heavy Duty Automatics
Model: C6
Type: three speed non electronic
Years: 1980-1991: F-Series, Bronco
..........1992-1997: F-2/3/450
Engines: 300, 302, 351, 460, 6.9L, 7.3L
Display: PRND21
Ratios:
1st 2.46:1
2nd 1.46:1
3rd 1.00:1
Trans code: G
Model: E4OD
Type: Electronic Four speed Over Drive
Years: 1990-1996 Bronco, F-Series
..........1997: F-2/3/450
Engines: 300, 302, 351, 460, 7.3L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E
Model: 4R100
Type: Four speed + reverse and 100(x10)lbs of torque
Years: 99-03 F150/superduty
..........03-04 gas superduty
Engines: 5.4L, 6.8L, 7.3L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E (gas), 9 (diesel)
Model: 5R110 “Torqushift”
Type: Five speed + reverse and 110(x10)lbs of torque
Years: 03-06 6.0L,
..........05-06 5.4L, 6.8L Superdutys
Display: PRN(D)321 w/ tow haul lockout switch
Ratios:
1st 3.09:1
2nd
3rd
4th 1.00:1
5th 0.71:1
Trans code: B
Light Duty Automatics
Model: AOD
Type: Four speed non electronic
Years: 85-93 Bronco, F-Series
Engines: 300, 302
Display: PRN(D)D1
Ratios:
1st 2.40:1
2nd 1.47:1
3rd 1.00:1
4th 0.67:1
Trans code: T ?
Model: 4R70w
Type: Four speed + reverse and 70(x10)lbs of torque
Years: 94-96 Bronco, F150
..........97-03 Expedition, F150
..........04-06 F150
Engines: 300, 302, 4.2L, 4.6L, 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: U
Model: 4R75E
Type: Four speed + reverse and 75(x10)lbs of torque
Years: 04-06 F150
Engines: 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: B
Manuals
Model: M5OD-R2
Type: Five speed Mazda Overdrive
Years: 88-96 Bronco, F150s
..........97-03 F150s
..........05 F150 (v6)
Engines: 300, 302, 4.2L, 4.6L,
Display:
1.3.(D)
2.4.R
Ratios:
1st 3.90:1
2nd 2.25:1
3rd 1.46:1
4th 1.00:1
5th 0.80:1
Construction features: External Ribs in square patterns
Trans code: M
Model: SROD
Type: Four speed overdrive w/ push down reverse
Years: 80-83(4?)
Engines: 300, 302
Display:
P..R..1..3
U
S.....2..OD
H
Ratios:
1st 3.25:1
2nd 1.92:1
3rd 1.00:1
4th 0.78:1
Reverse 3.25:1
Construction features: Aluminum, shifter near back
Trans code: B
Model: NP-435
Type: Four speed non overdrive
Years: 80-87?
Engines: 300, 302, Your mostly gonna find it behind a 300.
Display:
1.2
3.4.R
Construction features: Cast Iron w/aluminum top plate, shifter in top, PTO Pass side
Ratios:
1st 6.69:1
2nd 3.34:1
3rd 1.79:1
4th 1.00:1
Reverse 3.25:1
Trans code: ?
Model: T18
Type: Four speed, non overdrive, non syncro first gear
Years: ?
Engines: 300, 302, 351, 460, 6.9L
Display:
1.2
3.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 5.11:1
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code: ?
Model: T19
Type: Four speed, non overdrive, syncro first gear
Years: ?
Engines: 300, 302, 351, 460, 6.9L, 7.3L
Display:
1.2
3.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 5.11:1
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code ?
Model: ZF5
Type: Five speed heavyduty overdrive
Years: 87-99 F2/3/450/superduty
Engines: 300, 351, 460, 6.9?, 7.3
Display:
1.3.(D)
2.4.R
Ratios: ?
Trans code: 2
Model: ZF6
Type: Six speed heavyduty overdrive
Years: 99-06 F-superduty
Engines: 5.4, 6.8, 7.3, 6.0
Display:
R.1.3.(D)
L.2.4
Ratios:
Low 5.79:1
First 3.30:1
Second 2.10:1
Third 1.31:1
Fourth 1.00:1
Overdrive 0.72:1
Reverse 5.23:1
Trans code: 6 (diesel), 5 (gas)
