Torque(6.0V): 55.0 kg-cm / ( 763.8 oz/in)Torque(7.4V): 60.0 kg-cm / ( 833.2 oz/in)Torque(8.4V): 65.0 kg-cm / ( 902.7 oz/in)Speed: 0.19 sec (6.0V)¦¢0.17sec (7.4V)¦¢0.15 sec (8.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 200.0 g (7.05 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºDC MotorGear Type£ºCopper & SteelOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º65.8x30.0x55.6mm (2.59x1.18x2.19 in)