917D series multiratio motor/gearbox.

It's simple versatile design and sturdy construction make it suitable for a host of uses from powering models and robots to teaching the principles of mechanics.

• RE140 motor
• 6 ratios & 12 different speeds.
• The output shaft is 3mm diameter.

Current consumption depends on eventual load but is within the range 0.2 to 0.8m Amps.