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Tamiya 70189 Mini Motor Low-Speed Gearbox (4-Speed) Kit

Tamiya’s 4-speed low-speed mini motor gearbox features a more compact 030-form-factor brushed DC motor driving a single gear train that can be assembled to have one of four gear ratios: 71.4:1, 149.9:1, 314.9:1, or 661.2:1. The gear train includes a self-locking worm gear.

Compare all products in Tamiya Motors and Gearboxes or Tamiya Gearboxes with 3mm Hexagonal Shafts.

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General specifications

Typical operating voltage:	3 V
Gear ratio options:	71.4, 149.9, 314.9, 661.2 :1
No-load motor shaft speed @ 3V:	8400 rpm¹
No-load current @ 3V:	60 mA²
Stall current @ 3V:	600 mA
Color:	clear

Notes:

1: A theoretical speed of the gearbox output shaft can be computed by dividing this speed by the gear ratio.
2: This is the no-load current of the motor when disconnected from the gears in the gearbox; the no-load current of the entire gearbox with the motor connected will be slightly higher and will vary depending on the gear ratio.

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