This is the only gearbox in Tamiya's line that includes a metal frame, making it the smallest one. It also features two metal gears giving it better toughness, and a worm gear allows it to offer very high ratio options of 101:1, 269:1 and 719:1. This is a great choice for low speed / high load applications on small robotics projects.
The main output shaft has 4 different positions and an auxiliary shaft is also available which turns perpendicularly to the main one. These shafts are 3mm in diameter and hex shaped just like the rest of the Tamiya gearboxes. The included hobby motor runs on 3V - 6V and draws up to a few amps so this is a good match for a common low voltage motor driver.
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