HobbyStar 3674 4-Pole Brushless Sensorless Motor, V2, Waterproof

SKU: 375-20-CNF2

Availability: In stock


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HobbyStar 3674 4-pole brushless motor features a 74mm length can which provides incredible torque, and versatile waterproof design allows use in a variety of applications. motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection.



  • 4-pole motor with 12-slot high-torque design
  • High-purity copper windings maximize efficiency
  • High-RPM ABEC5 oversized bearings
  • Precision balanced rotor for smooth operation and maximum RPM
  • Super-thin (0.35mm) stator laminations 


Product KV (RPM/Volt) Max Voltage Max Amps Rotor Poles IO Resistance Watts Max RPM Length (mm) Diameter (mm) Weight (g) Shaft Diameter (mm) Shaft Length (mm) Connectors
3674/2.5Y 1900 6S 70A 4 3.1A 0.0132 1800W 50,000 74 36 290 5.0 17 4.0mm gold
3674/2Y 2200 5S 80A 4 4.0A 0.0076 1800W 50,000 74 36 290 5.0 17 4.0mm gold
3674/2Y 2650 4S 86A 4 4.2A 0.0069 1800W 50,000 74 36 290 5.0 17 4.0mm gold


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Which has the most torque 1900kv or 2200kv in the 3674 version
A lower KV motor will always have more torque potential.
RCJuice answered on February 18, 2019

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