Gear Motor Driving Wheel Excavator Brushless Sprocket Steel Teeth Walking Engine. The brushless walking motor is processed by CNC, with exquisite. Design and high wear resistance and high hardness gears. High precision, large torque, suitable for hydraulic excavator. Models, crawler robots, miniature high-torque chassis. Voltage: 2-3s (DC7-12.6v). Material: 6061Shell, Annular Gear Steel, Gear Steel. Surface Treatment: Gear Ring Black Surface Anode. Maximum Speed: 50 r/min. Outer Gear Ring: the Gear Ring is 23 Teeth. Installation Method: 6 pcs M3 Screws Fixed. Product Size: As Shown in the Figure below. 35A brushless two-way ESC. To drive the walking. The torque is very large, do not lock-rotor, if the motor. Tooth sweeping at your own risk!