Tamiya 70189 - Mini Motor Low Speed Gearbox - 4-Speed 田宮STEM系列齒輪箱組合 雙星孖星  [70189]

This compact gearbox features low gear ratios and a type 030 motor.

Specifications:

• 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 4 different gear ratios (71.4:1, 149.9:1, 314.9:1, 661.2:1) which can be easily adjusted by changing the final gear attachment position.
• The 3mm hex shaft and gearbox attachment holes are compatible with other Tamiya craft items.
• 2 different gearbox attachment positions are available.
• Dimensions; Width: Approx. 20mm, Height: 24mm, Length: 30mm.
• The compact gearbox can be installed on even small 1/35 tanks including: Panzerkampfwagen II Ausf. A/B/C (Sd.Kfz.121) (Item 35292).
• Features transparent gear case to show the internal mechanisms.