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Tamiya Motors and Gearboxes

Tamiya is a Japanese company that manufactures a variety of high-quality hobby and educational products. We carry many of their educational construction kits including gearboxes, wheels, and robot kits, as well as some of their 1/10th-scale radio control trucks, which make great chassis for outdoor robots.

If you do not know which Tamiya gearbox kit you need, you can view a Tamiya gearbox gear ratio comparison table.

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On sale!
Pololu item #: 729
Price: $109.95

Tamiya 72101 Gear Head Motor + Sponge Tire Set

The Tamiya 72101 gear head motor and 64-mm sponge tire set is part of Tamiya’s new line of products designed specifically for robots. The 380-size motors are substantially larger than the 130- and 260-size motors found in the smaller Tamiya gearbox kits, making this drive set capable of moving medium-sized robots weighing up to approximately 10 pounds.

On sale!
Pololu item #: 730
Price: $109.95

Tamiya 72102 Gear Head Motor + Pin Spike Tire Set

The Tamiya 72102 gear head motor and 130-mm pin spike tire set is part of Tamiya’s new line of products designed specifically for robots. The 380-size motors are substantially larger than the 130- and 260-size motors found in the smaller Tamiya gearbox kits, making this drive set capable of moving medium-sized robots weighing up to approximately 10 pounds.

On sale!
Pololu item #: 114
Price: $8.95 ~~$12.50~~

Tamiya 70168 Double Gearbox Kit

Tamiya’s double gearbox packs two independent gear trains into a compact and affordable package that is great for small mobile robots. Each side can be assembled to have one of four gear ratios: 12.7:1, 38:1, 115:1, or 344:1.

Pololu item #: 118
Price: $8.75

Tamiya 70167 Single Gearbox (4-Speed) Kit

The single gearbox is perfect if you like the gear ratio options of the 70168 double gearbox but need just one motor or added flexibility in positioning multiple output shafts. Available gear ratios are: 12.7:1, 38:1, 115:1, or 344:1.

On sale!
Pololu item #: 61
Price: $11.50 ~~$12.00~~

Tamiya 70097 Twin-Motor Gearbox Kit

Tamiya’s twin-motor gearbox consists of two independent motors and gearboxes in one compact housing, making it perfect for small robots. You can assemble the gearboxes to have a 58:1 or a 204:1 gear ratio.

On sale!
Pololu item #: 67
Price: $6.50 ~~$7.00~~

Tamiya 70093 3-Speed Crank-Axle Gearbox Kit

Tamiya’s 3-speed crank-axle gearbox looks very much like half of the twin-motor gearbox (with an added gear ratio option). This compact gearbox can be built in one of three gear ratios (17:1, 58:1, and 204:1), and is Tamiya’s cheapest, general-purpose gearbox.

On sale!
Pololu item #: 68
Price: $9.95 ~~$11.00~~

Tamiya 70110 4-Speed Crank-Axle Gearbox Kit

This gearbox has four possible gear ratios, including the highest gear ratio of Tamiya’s gearbox series, 5402:1. The other options are 126:1, 441:1, and 1543:1. This gearbox also features a worm gear, which locks the output shaft when the motor is not turning.

On sale!
Pololu item #: 69
Price: $8.25 ~~$8.75~~

Tamiya 70103 Universal Gearbox Kit

Unlike the other gearboxes in Tamiya’s series, the universal gearbox has a thin metal frame, making it the smallest Tamiya gearbox. The final two gears are metal, making for a tough output. A worm gear allows for the high gear ratio options of 101:1, 269:1, and 719:1.

On sale!
Pololu item #: 70
Price: $17.95 ~~$18.50~~

Tamiya 72001 Planetary Gearbox Kit

The first in Tamiya’s “high efficiency” series, the planetary gearbox features two 4:1 and two 5:1 stages that can be combined in any way you like—you can even combine two kits to get really huge gear ratios. The output is always conveniently on the same axis as the motor shaft. Available gear ratios are 4:1, 5:1, 16:1, 20:1, 25:1, 80:1, 100:1, and 400:1.

On sale!
Pololu item #: 71
Price: $11.95 ~~$12.50~~

Tamiya 72002 High-Speed Gearbox Kit

The high-speed gearbox can be assembled in 11.6:1 and 18:1 gear ratios. This high-efficiency gearbox is therefore suited for very fast vehicles or other fast mechanisms that do not require high torque.

On sale!
Pololu item #: 72
Price: $11.95 ~~$12.50~~

Tamiya 72003 High-Power Gearbox Kit

With possible gear ratios of 41.7:1 and 64.8:1, the high-power gearbox is well-suited for most vehicles that require a balance of speed and torque.

On sale!
Pololu item #: 73
Price: $11.95 ~~$12.50~~

Tamiya 72004 Worm Gearbox Kit

The primary feature of this high-efficiency gear box is a worm gear, which locks the output shaft whenever the motor is not turning. The high gear ratios of 216:1 or 336:1 make this gearbox appropriate for small walking robots, lifting mechanisms, and other applications where high torque is desired.

On sale!
Pololu item #: 74
Price: $16.50 ~~$17.50~~

Tamiya 72005 6-Speed Gearbox Kit

This versatile, high-efficiency gearbox lets you build one of the following gear ratios: 11.6:1, 29.8:1, 76.5:1, 196.7:1, 505.9:1, and 1300.9:1. Whatever your application, chances are that one of the configurations will do the job.

Pololu item #: 670
Price: $39.95

Low-Voltage Dual Serial Motor Controller + Tamiya Double Gearbox Combo

This combination deal includes a Tamiya 70168 double gearbox and a Pololu low-voltage dual serial motor controller for a great price!

Pololu item #: 77
Price: $1.99

Tamiya 980112M Mabuchi FA-130 Motor

The Tamiya 9801112M Mabuchi FA-130 motor is the motor included in many of the Tamiya gearboxes and educational toys.

Pololu item #: 604
Price: $1.99

Solarbotics RM3 (Replacement Motor for GM2/3/8/9, Regular Motor 3)

This is the standard DC motor found in the GM2, GM3, GM8, and GM9 gear motors from Solarbotics. It comes with an 8-tooth pinion gear, and motor replacement is a snap! The RM3 can even be used to replace the higher-current FA-130 motors in many of the Tamiya gearboxes.