Tamiya 4-Speed High Power Gearbox H.E.

TamiyaSKU: RB-Tam-57
Manufacturer #: 72007

Price  :
Sale price ¥2,398

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Stock  :
In stock, 12 units

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  • Four gear ratios (39.6:1, 47.6:1, 61.7:1, 74:1)
  • 4mm diameter
  • Type 260 motor included
  • Two 12mm hex wheel hubs included

This is the Tamiya 4-Speed High Power Gearbox H.E. It was released in 1985. The Type 260 motors have been used in a variety of educational and robotics applications. Offered as part of the Tamiya educational construction series gearboxes, the 4-speed High power gearbox H.E. can be assembled with high and low gear ratios. These gearboxes are seen at Robotics contests around the world.


  • The gearbox features four gear ratios (39.6:1, 47.6:1, 61.7:1, 74:1)
  • Gear ratio can be easily adjusted by changing the motor pinion (10T, 12T), spur gear position, and altering the middle and final gear attachment position
  • 4mm dia, threaded driveshaft included
  • Gearbox is compatible with other education construction items
  • Type 260 motor included. RPM: 5040-6300, Voltage: 1.5V Recommended
  • Separately available 130 and 140 motors can also be attached with the included adapter
  • Two 12mm hex wheel hubs included
  • H.E. denotes High Efficiency


  • Width: 32mm
  • Height: 28mm
  • Length: 69mm
  • Gear Ratio: 39.6:1

- RPM: 255
- Torque g/cm: 508

  • Gear Ratio: 47.6:1

- RPM: 212
- Torque g/cm: 588

  • Gear Ratio: 61.1:1

- RPM: 163
- Torque g/cm: 752

  • Gear Ratio: 74.1:1

- RPM: 136
- Torque g/cm: 876

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