Released in 1985, the Type 260 motors have been used in a variety of educational and robotics applications. Offered as part of the Tamiya Educational Construction Series gearboxes, the 4-speed High power gearbox H. E can be assembled with high and low gear ratios. These gearboxes are seen at Robotics contests around the world. - Gear Ratio: 39.6:1 RPM: 255 Torque g/cm: 508 - Gear Ratio: 47.6:1 RPM: 212 Torque g/cm: 588 - Gear Ratio: 61.1:1 RPM: 163 Torque g/cm: 752 - Gear Ratio: 74.1:1 RPM: 136 Torque g/cm: 876