Torque at 4.8v: 55oz-in (4.0kg-cm) / Torque at 6.0v: 66oz-in (4.8kg-cm)nSpeed at 4.8v: 0.15sec/60º , Speed at 6.0v: 0.12sec/60ºnGear Train: MetalnBushing/Ball Bearing: Dual Ball BearingnMotor Type: Standard 3-Polen94761Z MICRO DIGITAL HI SPEED HI-TORQUE SERVO