Tamiya America, Inc Mini Motor Gearbox 8-Speed, TAM70188

This compact gearbox is equipped with a type 030 motor and features the same ratios that have been used with other previously released gearboxes. About the Model: The type 030 motor features a low electricity consumption rate and does not emit electronic noise. Motor specifications: 8400RPM, Voltage: 3.0V. The gearbox features 8 different gear ratios (7.5:1, 9.5:1, 15.7:1, 19.9:1, 32.9:1, 41.8:1, 79.1:1, 87.8:1) which can be adjusted by changing the pinion gear and final gear position. The 3mm hex shaft and gearbox attachment holes are compatible with other Tamiya craft items. Dimensions; Width: Approx. 20mm, Height: 18mm, Length: 50mm. Features a transparent gear case to show the internal mechanisms.