

Speedometer drive complete for vehicles with 3.78:1 standard ratio
Ford Model-A 1928 to mid-1930 with 21" wheels and oval speedometer
This is the complete speedometer drive with 19 teeth suitable for vehicles with oval speedometers
with the standard gear ratio on the rear axle 3.78:1 (34-9 teeth)
This drive unit with the high-speed ratio on the rear axle 3.54:1 (39-11 teeth) is bolted to the bottom of the cardan tube
Notice :
The matching speedometer cable has the part number A-17260-AU
This speedometer cable has a key connection at the bottom of the gearbox and a square at the top of the speedometer
Annotation:
In some early speedometer drives with the deep hole, a small spacer must be inserted,
otherwise the speedometer cable will slip back and slide out of the top of the speedometer.
Diameter 4.9mm
Length 10mm
Data sheet
Reference: MG511-1/4-20-UNC
Reference: A-11655/67-OE
Reference: A-11575-EM
Reference: A-6551-OS2
Reference: B-6051-XO
Speedometer drive complete for vehicles with 3.78:1 standard ratio
Ford Model-A 1928 to mid-1930 with 21" wheels and oval speedometer
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