Description: 4 poles Hi-torque motor design. Large output power. Precision balanced rotor, smoothness for best reliability and maximum RPM. CNC machined 6061 T6 billet alumium. Suitable for all 1/10 brushless cars-multi-mounting system for M3 screws. Specification: Brand: OCDAY Motor KV: 3930 Watts: 800 Max voltage: 7.4V(2S)-11.1V(3S) Suitable ESC: 35A or higher Sensored: No Max Current: 60A Shaft Diameter: 3.17mm Shaft length: 15mm Turns: 10T Rotor (Pole): 4-pole Bullet Connector: 4mm Gold Plug Color: Orange Weight: 149g Size Chart: Outer Diameter: Approx. 36mm/1.42inch Height: Approx. 66mm/2.60inch Package Includes: 1 Piece 10T 3930KV Motor Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size