Tamiya Tamiya Technikraft series 4 speed power gearbox HE 72007

Craft / experiment kit
In addition to high accuracy with less transmission loss, durability is also sufficient, and it is the gearbox of the Technikraft series that is also used for robot contest participating machines.
In the 4th speed power gearbox HE, the replacement of the motor pinion (10T, 12T), the change of the position of the spur gear, and the rearrangement of the intermediate and final gears, 39.6: 1, 47.6: 1, 61.7: 1, 74.1: 1 You can choose the gear ratio of the seed and it is suitable for work that requires power.
The screwed diameter 4 mm output shaft can select two positions. I also set the crank arm and hex hub. 260 type motor included. If you use adapter parts, you can install 130 type motor or 140 type motor (sold separately).