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The Tamiya double gearbox is a compact unit with two independent
motors and gear trains.

The kit includes two motors and all gears and parts to build any of
the four possible gear ratio configurations (12.7:1, 38:1, 115:1, and
344:1). Although it is not typical, it is possible to assemble each
side with different gear ratios. There are two possible output axle
locations (for any given gear ratio, only one output location is

The output shafts are 3 mm hexagonal axles that are 10 cm (about four
inches) from tip to tip. The axles work with any of the Tamiya wheels,
giving you many options for your robot speed.

The low-voltage motors run on 3-6 volts and draw up to a few amps,
making them perfect candidates for the DRV8833 motor driver carrier.
Motor overheating can be caused by excessive stalling, even at very
low voltages. We recommend that you use stall-detection sensors, or
just watch your robot, to make sure that it doesn't stall for more
than a few seconds at a time. For motor specs, see the Mabuchi motor
FA-130 data sheet.

Note: The universal gearbox kit is a kit; assembly is required. To use
the kit in robotics projects, you need to connect the motors to your
own robot controller.


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General information

Manufacturer Tamiya
Product type Robotik Modul
Item number5999703
Manufacturer no.POL-114

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Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

Warranty and return

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Mail delivery

 Expected delivery time: approx. 6–8 days
Currently 2 piece(s) in stock at the supplier


All locations

 Expected delivery time: approx. 6–8 days
Currently 2 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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Tamiya Double Gearbox Kit incl. Motors Tamiya Double Gearbox Kit incl. Motors