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SURPASS HOBBY

Surpass Hobby Waterproof Brushless Motor KK 3650 3660 3665 3670 3674 for 1/8 1/10 RC Car Racing Off-Road Wltoys MJX hglrc Boat

Surpass Hobby Waterproof Brushless Motor KK 3650 3660 3665 3670 3674 for 1/8 1/10 RC Car Racing Off-Road Wltoys MJX hglrc Boat3650 RC MotorKV(RPM/Volt): 1650KV 2050KV 2300KV 3100KV 3600KV 4500KV 5200KV 5900KV 6900KV 7700KV 9000KV OptionalWatt: 850Max RPM: 60000Max voltage: <8.4VMax amps: 100ARotor poles: 4Diameter: 35.5mmLength: 49mmShaft length: 15mmConnector: 4.0mm goldWeight:165g3660 RC MotorKV(RPM/Volt): 1750KV 2200KV 2600KV 3100KV 3500KV 4200KV OptionalWatt:1200Max RPM: 50000Max voltage:

  • Exceptional torque-to-weight ratio for heavy mechanical loads
  • Built-in robust reduction gearbox for stable angular velocity
  • Durable all-metal gear configuration resisting wear and tear
  • Smooth rotation control with minimal mechanical backlash
  • Compatible with standard PWM and H-bridge motor driver boards
  • Quiet operation and minimal thermal output during continuous load
  • Standardized mounting holes for quick and clean structural assembly
$50.62 $65.81 Save 23%
In Stock
Best For: Roboticists, CNC machine builders, and hobbyists needing reliable, high-torque actuation or precise rotational shaft positioning.
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Surpass Hobby Waterproof Brushless Motor KK 3650 3660 3665 3670 3674 for 1/8 1/10 RC Car Racing Off-Road Wltoys MJX hglrc Boat


3650 RC Motor
KV(RPM/Volt): 1650KV 2050KV 2300KV 3100KV 3600KV 4500KV 5200KV 5900KV 6900KV 7700KV 9000KV Optional
Watt: 850
Max RPM: 60000
Max voltage: <8.4V
Max amps: 100A
Rotor poles: 4
Diameter: 35.5mm
Length: 49mm
Shaft length: 15mm
Connector: 4.0mm gold
Weight:165g
3660 RC Motor
KV(RPM/Volt): 1750KV 2200KV 2600KV 3100KV 3500KV 4200KV Optional
Watt:1200
Max RPM: 50000
Max voltage: <12V
Max amps: 100A
Rotor poles: 4
Diameter: 35.5mm
Length: 59mm
Shaft length: 17mm
Connector: 4.0mm gold
Weight:218g
3665 RC Motor
KV(RPM/Volt): 1800KV 2300KV 2900KV 3100KV 3500KV Optional
Watt:1400
Max RPM: 50000
Max voltage: <14.8V
Max amps: 95A
Rotor poles: 4
Diameter: 35.5mm
Length: 64.5mm
Shaft length: 17mm
Connector: 4.0mm gold
Weight:250g
3670 RC Motor
KV(RPM/Volt): 2050KV 2650KV 2850KV Optional
Watt:1600
Max RPM: 50000
Max voltage: <16.5V
Max amps: 95A
Rotor poles: 4
Diameter: 35.5mm
Length: 69mm
Shaft: 5.0mm
Shaft length: 17mm
Connector: 4.0mm gold
Weight:276g
3674 RC Motor
KV(RPM/Volt): 1900KV 2250KV 2500KV Optional
Watt:1800
Max RPM: 50000
Max voltage: <22.2V
Max amps: 80A
Rotor poles: 4
Diameter: 35.5mm
Length: 73mm
Shaft: 5.0mm
Shaft length: 17mm
Connector: 4.0mm gold
Weight:298g
Package Information:
Package size:110 x 70 x 42mm/4.33 x 2.76 x 1.65in
Package weight:300g/7.12oz
General Box Package
Package Included:
1 x SURPASSHOBBY KK Brushless Motor
1 x English Manual




Use Cases

Wheel locomotion, robotic arm joint actuation, CNC axis motion, automated lock mechanisms, and precision mechanical drive assemblies.

Compatibility Notes

Works with standard H-bridge motor drivers, servo controllers, and electronic speed controllers (ESCs). Requires a dedicated motor power supply.

Frequently Asked Questions

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