The standout feature of this gearbox is its super high ratio option. It can be assembled to run at 4 ratios: 126:1, 441:1, 1543:1 or 5402:1. It also features a worm gear which locks the output shaft when the motor isn't turning.
It has a clutch gear which prevents damage if the output shaft gets stuck, making this gearbox a nice choice for higher load applications. Included are all parts needed to assemble the gearbox at any of the four ratio options, as well as the 3V motor. The mounting holes on the housing work perfectly with the Universal Plate Set.
The output shafts included are Tamiya's standard 3mm steel hex shaped ones, at 10cm in length. The included motor runs at 3V - 6V and draws up to a few amps, making it a good match for a common low voltage motor driver.
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