Item Type: RC Sensorless Brushless MotorMaterial: Aluminum Alloy, Copper, SteelGross Weight: 541g / 19.1ozModel: 4282Color: Black RedKV(RPM/V): 1780KVOutput Power: 3400WMaximum Voltage: < 28VMaximum Current: 120AMotor Pole Number: 4IO: 2.2AResistance(): 0.0067Maximum Speed: 50000Motor Diameter: Approx.40mm / 1.6in, Approx.42mm / 1.7inMotor Length: Approx.82mm / 3.2in(excluding shaft)Shaft Diameter: Approx.5mm / 0.2inShaft Length: Approx.20mm / 0.8inGold Plated Connector: Approx.6.5mm / 0.3inSuitable: for 1/8 RC vehicles (such as for Traxxas, for Wltoys, for HSP) 14 Poles Rotor: RC sensorless brushless motor, with 4 poles rotor design, strong torsion and stable output power, low friction, low noise and high accuracy. 2Good Heat Resistance: High hardness aluminum CNC shell, high temperature resistant copper coil 0.2mm thickness silicon steel sheet, high magnetic permeability, high silicon content, good insulation and heat resistance. 3Temperature Sensor: The motor has a built in temperature sensor and interface, which can be used with the ESC to realize the motor overheat protection function. 4Improve Efficiency: The detachable structure design is convenient for cleaning and maintenance, effectively prolonging the service life of the motor and improving work efficiency. 5Super Durable: Explosion proof rotor, high toughness stainless steel output shaft, high precise premium bearings make the motor super durable.