Tamiya 70168 dual motor gearbox 4 speed

Set Left/Right Ratios Independently
This gearboxe features two motors with their own respective output shafts. Four different gear ratios may be selected and different ratios may be set for the left and right motors. The gearbox case, gears, and crank arm are made from durable plastic material while the shafts are made from metal. Two Type 130 motors included.

This gearbox can be paired with a Tamiya Remote Controller for various Educational Construction models such as bulldozers and tanks which require control of left and right outputs. Just like other Educational Construction Series items, the output shaft is a 3mm hex type.