Tamiya 70103 Universal Gearbox All-Purpose Drive Kit  [70103]

Practical Tamiya 70103 Universal Gearbox for model builders

The Tamiya 70103 Universal Gearbox is an adaptable component aimed at model builders and hobbyists who need a compact gearbox solution. It fits into many model layouts and experimental rigs thanks to its simple yet robust design.

Installation and mounting choices

The unit offers both a hex shaft and a threaded shaft to accommodate different mounting and coupling preferences. The gearbox uses plastic gears inside a metal housing to give a good balance between economy and durability for repeated builds.

FA-130 drive and selectable gearing

Included with the gearbox is an FA-130 motor and three selectable gear ratios: 101:1, 269:1 and 719:1. These choices help you tune speed and torque for vehicle models, conveyors or teaching rigs.

Suited to clubs, kits and classroom projects

From club projects to personal upgrades, the Tamiya 70103 Universal Gearbox integrates well with standard construction kits and small robotics platforms to extend functional testing and demonstrations.