Speedometer Pinion Gears
By George Riehl

1955-1956 Cast Iron Powerflite/Torqueflite

Tire Size: 820 x 15

Axle Ratio:

3.07

(3.36)

3.54

3.73

3.90


Pinion Color:

Red

(Black)

Purple

Light Blue

Yellow

Pinion Teeth:

17

(18)

19

20

21


1957-1959 Cast Iron Torqueflite

Tire Size: 900 x 14

Axle Ratio:

2.93

3.15

3.18

(3.31)

3.36

3.54

3.73

3.90

Pinion Color:

Red

Black

(Purple)

Light Blue

Yellow

Yellow

Pinion Teeth:

17

18

(19)

20

21

21


1960-1961 Cast Iron Torqueflite

Tire Size: 900 x 14

Axle Ratio:

2.93

3.15

3.18

(3.23)

3.31

3.54

3.55

3.58

3.73

Pinion Color:

Red

Black

(Black, Purple)

Purple

Light Blue

Yellow

Pinion Teeth:

17

18

(18, 19)

19

20

21


1962 Aluminum 727

Tire Size: 760 x 15

Axle Ratio:

2.93

(3.23)

3.23 with Auto Pilot

Pinion Color:

Orange

(Dark Purple)

Green

Pinion Teeth:

17

(18)

20


1963 Aluminum 727

Tire Size: 760 x 15

Axle Ratio:

2.93

(3.23)

3.55

3.91
* use with adapter 2291141

Pinion Color:

Brown

(Dark Purple)

Green

Green

Pinion Teeth:

16

(18)

20

20


1964 Aluminum 727

Tire Size: 800 x 14

Axle Ratio:

2.76

2.93

(3.23)

3.55

3.91

* use with adapter 22291141

(.9058:1 reducer)

Pinion Color:

Brown

Orange

(Dark Blue)

Grey

Grey

Pinion Teeth:

16

17

(19)

21*

21*


Tire Size: 850 x 14 Ram or non Ram with air

Axle Ratio:

2.76

2.93

(3.23)


Pinion Color:

Brown

Orange

(Dark Blue)

Pinion Teeth:

16

17

(19)


1965 Aluminum 727

Tire Size: 855 x 14

Axle Ratio:

2.76

2.73

(3.23)

3.55


Pinion Color:

Brown

Orange

(Dark Blue)

Grey

Pinion Teeth:

16

17

(19)

21


Tire Size: 885 x 14 (optional)

Axle Ratio:

2.76

2.73

(3.23)


Pinion Color:

Brown

Brown

(Dark Purple)

Pinion Teeth:

16

16

(18)

( ) = standard ratio
Cast iron Powerflite & Torqueflite gears are not interchangeable with 727.
All gears made by Danko and are numbered on gear end.

Compiled by George Riehl


Click to enlarge