Description: 4 poles Hi-torque motor design. High RPM High quality bearings. CNC machined 6061 T6 billet alumium. Dustproof design, copper wires of 180? high Suitable for all 1/10 brushless cars-multi-mounting system for M3 screws. Specification: Brand: OCDAY Motor KV: 4370 Model: 9T Motor Max Current: 66A Max Watts: 820W Max voltage: 7.4V(2S)-11.1V(3S) Suitable ESC: 35A or higher Sensored: No Shaft : 3.17mm Shaft length: 15mm Bullet Connector: 4mm Gold Plug Input Battery Types: NiCd / Nimh / Li-po Battery Recommend Model: RC Model 1/10 Car Resistance: 0.0125ohm Rotor (Pole): 4-pole Color: Orange Weight: 174g Size Chart: Outer Diameter: Approx. 36mm/1.42inch Height: Approx. 66mm/2.60inch Package Includes: 1 Piece 9T 4370KV 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