D951TW Wide Voltage Ultra TorqueDescription Hitec's tradition of striving to continually advance servo technology has led to the new, hugely desirable, 32 bit D Series, comprising the D941TW, D946TW and D951TW. Faster and more precise than ever before the programmable D951TW Ultra Torque servo is compatible with voltages ranging from 4. 8 to 7. 4 and offers a gobsmacking torque of 35. 0kg. cm at 7. 4 volts. That's not the half of it though, check out the specification then quietly