Four gear ratios (39.6:1, 47.6:1, 61.7:1, 74:1) 4mm diameter Type 260 motor included Two 12mm hex wheel hubs included This is the Tamiya 4-Speed High Power Gearbox H.E. It was 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. Features:• The gearbox features four gear ratios (39.6:1, 47.6:1, 61.7:1, 74:1)• Gear ratio can be easily adjusted by changing the motor pinion (10T, 12T), spur gear position, and altering the middle and final gear attachment position• 4mm dia, threaded driveshaft included• Gearbox is compatible with other education construction items• Type 260 motor included. RPM: 5040-6300, Voltage: 1.5V Recommended• Separately available 130 and 140 motors can also be attached with the included adapter• Two 12mm hex wheel hubs included• H.E. denotes High Efficiency
