Parts/Electric power/Brushless motors/Hobbywing SeaKing 4685SL V2 Brushless Marine Motor (900kV)
Hobbywing SeaKing 4685SL V2 Brushless Marine Motor (900kV)
Hobbywing

Hobbywing SeaKing 4685SL V2 Brushless Marine Motor (900kV)

Part # HWA30419000
Where to buy
$99.99
AMain Hobbies
Seen Oct 12, 2026
$99.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Motor Overview:

The SeaKing 4685SL V2 Brushless Marine Motor from Hobbywing is built to deliver powerful and reliable performance for RC boat enthusiasts. Designed with smooth startup characteristics and strong output, this motor is well suited for high-speed marine applications. Its rugged construction and integrated cooling system help maintain consistent performance even during extended runs.

About the SeaKing 4685SL V2


High-Power Marine Performance With Efficient Cooling

The SeaKing 4685SL V2 motor combines strong output with efficient cooling to support demanding marine environments. An eye-catching aluminum water cooling jacket surrounds the motor to effectively dissipate heat and maintain stable operating temperatures during high-speed runs. The motor is engineered for excellent compatibility with SeaKing V4 ESCs, allowing the system to deliver increased speed and power when paired together. A durable CNC aluminum case, Kevlar-wrapped rotor, stainless steel shaft, and high-quality bearings provide long-lasting reliability, while the modular construction allows easier maintenance and servicing.

Features:

  • High-Power Brushless Marine Motor Design
  • Smooth Startup With Strong Output
  • Integrated Aluminum Water Cooling Jacket
  • Optimized For SeaKing V4 ESC Compatibility
  • CNC Machined Aluminum Motor Case
  • Kevlar-Wrapped Rotor Construction
  • Ultra-Thin Silicon Steel Laminations
  • Stainless Steel Motor Shaft
  • Premium High-Quality Bearings
  • Modular Design For Easier Maintenance

Includes:

  • (1) SeaKing 4685SL V2 Brushless Marine Motor (900kV)

Specifications:

Type Brushless Sensorless
Turns 900kV
Input Voltage 6-14S LiPo
Pole/Slot 4
Max RPM -
Motor Length 3.35in (85mm)
Motor Diameter 1.81in (46mm)
Shaft Diameter 0.20in (5.0mm)
Weight 22.65oz (642g)
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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