Johnson 600 Series Motor 4.8-9v

The numbers on the motor are 64370 / 341831
Reversible 3 – pole electric motor with integral cooling fan
High torque originally manufactured for use in power tools, these motors are of the highest quality and recognised as one of the most useful model motors currently on the market. Very popular for model boats and with suitable gearbox for electric flying models. No Load speeds approx:
4.8V 1.7A 8500 RPM
6V 1.9A 12000 RPM
7.2V 1.9A 13500 RPM
9V 2A 20000 RPM
Dimensions: L65mm, D38mm, Shaft diameter 3.2mm
Purchased as 4.8-9v but appear to work quite happily on 12v