SeaKing 3674/3660/2850/2040 SL V2

SeaKing 3674/3660/2850/2040 SL V2

SeaKing RC boat brushless motor
hobbywing-seaking3674 3660 2850 2040 SL V2
Engineered for Power and
Outstanding Performance
remote control boat
The motor is designed
for high-performance
RC boat models.
Delivers high power
output with balanced
efficiency.
Designed for high
load extended
operation
Efficient Heat Dissipation

The motor features a water cooling jacket with highly efficient internal circulation, as well as heat sink

external design for maximum heat transfer.

This helps the motor maintain higher levels of performance during extended runs.

Model Boat Motor Water Cooling Jacket
External Cooling Fins
High-efficiency Internal
Circulation Design
Perfectly Compatible with
SeaKing V4 Series ESC
When paired with
SeaKing V4 series of ESCs
the motor delivers
better compatibility
providing excellent
control performance
Hobbywing boat RC motor
Designed for Performance with Amazing Aesthetics
RC Boat Motor with cooling holes
Fan Blade-shaped
The motor end caps feature fan
blade-shaped cooling holes inspired by
propeller designs.

Note:Seaking 2040 V2 is non-fan-shaped structure.

Hobbywing remote control boat motor
CNC-machined
Polished Cooling Fins
The motors case design feature
specifically shaped cooling vents
to
promote additional cooling. The Water
cooling jacket is machined and polished
to ensure maximum flow and heat transfer
Two Options Available,
Flexible Configuration
Each motor has two optional KV values to adapt configuration requirements for different propeller setups.
brushless marine motor
Model
SeaKing 2040 V2
SeaKing 2850 V2
SeaKing 3660 V2
SeaKing 3674 V2
KV Value
4000KV/ 5000KV
3600KV/ 4500KV
2600KV/ 3400KV
1900KV/ 2300KV
Premium Materials, Built to Last
Constructed with a high-hardness CNC aluminum housing, premium brand high-quality bearings, ultra-thin
silicon steel laminations, high-temperature oxygen-free copper wire, high-temperature explosion-proof
rotor, and high-toughness alloy output shaft. Every material is carefully selected to ensure the motor
delivers long-lasting and stable performance.
RC Motor with High-hardness CNC Aluminum Housing

High-hardness CNC
Aluminum Housing

RC boat motor High-temperature Oxygen-free Copper Wire

High-temperature
Oxygen-free Copper Wire

Premium Brand High-quality Bearings

Premium Brand
High-quality Bearings

High-temperature Explosion-proof Rotor

High-temperature
Explosion-proof Rotor

Ultra-thin Silicon Steel Laminations

Ultra-thin Silicon
Steel Laminations

High-toughness Alloy Output Shaft

High-toughness
Alloy Output Shaft

RC Motor with High-hardness CNC Aluminum Housing

High-hardness CNC
Aluminum Housing

Premium Brand High-quality Bearings

High-temperature
Oxygen-free Copper Wire

Ultra-thin Silicon Steel Laminations

Premium Brand
High-quality Bearings

RC boat motor High-temperature Oxygen-free Copper Wire

High-temperature
Explosion-proof Rotor

High-temperature Explosion-proof Rotor

Ultra-thin Silicon
Steel Laminations

High-toughness Alloy Output Shaft

High-toughness
Alloy Output Shaft

Product Name 
  • SeaKing 2040 SL 4000KV V2
  • SeaKing 2040 SL 5000KV V2
  • SeaKing 2850 SL 3600KV V2
  • SeaKing 2850 SL 4500KV V2
  • SeaKing 3660 SL 2600KV V2
  • SeaKing 3660 SL 3400KV V2
  • SeaKing 3674 SL 1900KV V2
  • SeaKing 3674 SL 2300KV V2
Product Number
  •  
  • 30419010
  • 30419011
  • 90070011
  • 90070012
  • 30419007
  • 30419006
  • 30419008
  • 30419009
Type
  • Brushed/Brushless
  • Sensored/Sensorless
  • Pole
  • BL
  • SL
  • 2
  • BL
  • SL
  • 2
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
Specifications
  • KV
  • Input Voltage
  • No-load Current(A)
  • 4000KV
  • 2-3S
  • 0.9A
  • 5000KV
  • 2S
  • 1.1A
  • 3600KV
  • 2-3S
  • 3.7A
  • 4500KV
  • 2S
  • 4.0A
  • 2600KV
  • 2-4S
  • 8.4A
  • 3400KV
  • 2-4S
  • 7.6A
  • 1900KV
  • 2-6S
  • 4.3A
  • 2300KV
  • 2-6S
  • 6.1A
Size & Weight
  • O.D.(mm)
  • Length (mm)
  • Shaft Diameter (mm)
  • Weight (g)
  • Front Bearing(mm)
  • Rear Bearing(mm)
  • 20
  • 41.2
  • 3
  • 73g
  • D8*D3*T4
  • D8*D3*T4
  • 20
  • 41.2
  • 3
  • 73g
  • D8*D3*T4
  • D8*D3*T4
  • 28
  • 50
  • 4
  • 146g
  • D9*D4*T4
  • D8*D3*T4
  • 28
  • 50
  • 4
  • 146g
  • D9*D4*T4
  • D8*D3*T4
  • 36.5
  • 60
  • 5
  • 284g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 60
  • 5
  • 290g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 74
  • 5
  • 372g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 74
  • 5
  • 372g
  • D16*D5*T5
  • D11*D5*T5
Other Parameters
  • ESC
  • Boat Applicable
  • Seaking 30A V4
  • Boat Length ≤45cm
  • Seaking 30A V4
  • Boat Length ≤45cm
  • Seaking 60A V4
  • Boat Length ≤60cm
  • Seaking 60A V4
  • Boat Length ≤60cm
  • Seaking 90A V4
  • Boat Length ≤80cm
  • Seaking 90A V4
  • Boat Length ≤80cm
  • Seaking 120A V4
  • Boat Length ≤100cm
  • Seaking 120A V4
  • Boat Length ≤100cm
Support

Manuals & Documents

FAQ

SeaKing 3674/3660/2850/2040 SL V2
SeaKing RC boat brushless motor
hobbywing-seaking3674 3660 2850 2040 SL V2
Engineered for Power and
Outstanding Performance
remote control boat
The motor is designed
for high-performance
RC boat models.
Delivers high power
output with balanced
efficiency.
Designed for high
load extended
operation
Efficient Heat Dissipation

The motor features a water cooling jacket with highly efficient internal circulation, as well as heat sink

external design for maximum heat transfer.

This helps the motor maintain higher levels of performance during extended runs.

Model Boat Motor Water Cooling Jacket
External Cooling Fins
High-efficiency Internal
Circulation Design
Perfectly Compatible with
SeaKing V4 Series ESC
When paired with
SeaKing V4 series of ESCs
the motor delivers
better compatibility
providing excellent
control performance
Hobbywing boat RC motor
Designed for Performance with Amazing Aesthetics
RC Boat Motor with cooling holes
Fan Blade-shaped
The motor end caps feature fan
blade-shaped cooling holes inspired by
propeller designs.

Note:Seaking 2040 V2 is non-fan-shaped structure.

Hobbywing remote control boat motor
CNC-machined
Polished Cooling Fins
The motors case design feature
specifically shaped cooling vents
to
promote additional cooling. The Water
cooling jacket is machined and polished
to ensure maximum flow and heat transfer
Two Options Available,
Flexible Configuration
Each motor has two optional KV values to adapt configuration requirements for different propeller setups.
brushless marine motor
Model
SeaKing 2040 V2
SeaKing 2850 V2
SeaKing 3660 V2
SeaKing 3674 V2
KV Value
4000KV/ 5000KV
3600KV/ 4500KV
2600KV/ 3400KV
1900KV/ 2300KV
Premium Materials, Built to Last
Constructed with a high-hardness CNC aluminum housing, premium brand high-quality bearings, ultra-thin
silicon steel laminations, high-temperature oxygen-free copper wire, high-temperature explosion-proof
rotor, and high-toughness alloy output shaft. Every material is carefully selected to ensure the motor
delivers long-lasting and stable performance.
RC Motor with High-hardness CNC Aluminum Housing

High-hardness CNC
Aluminum Housing

RC boat motor High-temperature Oxygen-free Copper Wire

High-temperature
Oxygen-free Copper Wire

Premium Brand High-quality Bearings

Premium Brand
High-quality Bearings

High-temperature Explosion-proof Rotor

High-temperature
Explosion-proof Rotor

Ultra-thin Silicon Steel Laminations

Ultra-thin Silicon
Steel Laminations

High-toughness Alloy Output Shaft

High-toughness
Alloy Output Shaft

RC Motor with High-hardness CNC Aluminum Housing

High-hardness CNC
Aluminum Housing

Premium Brand High-quality Bearings

High-temperature
Oxygen-free Copper Wire

Ultra-thin Silicon Steel Laminations

Premium Brand
High-quality Bearings

RC boat motor High-temperature Oxygen-free Copper Wire

High-temperature
Explosion-proof Rotor

High-temperature Explosion-proof Rotor

Ultra-thin Silicon
Steel Laminations

High-toughness Alloy Output Shaft

High-toughness
Alloy Output Shaft

Product Name 
  • SeaKing 2040 SL 4000KV V2
  • SeaKing 2040 SL 5000KV V2
  • SeaKing 2850 SL 3600KV V2
  • SeaKing 2850 SL 4500KV V2
  • SeaKing 3660 SL 2600KV V2
  • SeaKing 3660 SL 3400KV V2
  • SeaKing 3674 SL 1900KV V2
  • SeaKing 3674 SL 2300KV V2
Product Number
  •  
  • 30419010
  • 30419011
  • 90070011
  • 90070012
  • 30419007
  • 30419006
  • 30419008
  • 30419009
Type
  • Brushed/Brushless
  • Sensored/Sensorless
  • Pole
  • BL
  • SL
  • 2
  • BL
  • SL
  • 2
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
  • BL
  • SL
  • 4
Specifications
  • KV
  • Input Voltage
  • No-load Current(A)
  • 4000KV
  • 2-3S
  • 0.9A
  • 5000KV
  • 2S
  • 1.1A
  • 3600KV
  • 2-3S
  • 3.7A
  • 4500KV
  • 2S
  • 4.0A
  • 2600KV
  • 2-4S
  • 8.4A
  • 3400KV
  • 2-4S
  • 7.6A
  • 1900KV
  • 2-6S
  • 4.3A
  • 2300KV
  • 2-6S
  • 6.1A
Size & Weight
  • O.D.(mm)
  • Length (mm)
  • Shaft Diameter (mm)
  • Weight (g)
  • Front Bearing(mm)
  • Rear Bearing(mm)
  • 20
  • 41.2
  • 3
  • 73g
  • D8*D3*T4
  • D8*D3*T4
  • 20
  • 41.2
  • 3
  • 73g
  • D8*D3*T4
  • D8*D3*T4
  • 28
  • 50
  • 4
  • 146g
  • D9*D4*T4
  • D8*D3*T4
  • 28
  • 50
  • 4
  • 146g
  • D9*D4*T4
  • D8*D3*T4
  • 36.5
  • 60
  • 5
  • 284g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 60
  • 5
  • 290g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 74
  • 5
  • 372g
  • D16*D5*T5
  • D11*D5*T5
  • 36.5
  • 74
  • 5
  • 372g
  • D16*D5*T5
  • D11*D5*T5
Other Parameters
  • ESC
  • Boat Applicable
  • Seaking 30A V4
  • Boat Length ≤45cm
  • Seaking 30A V4
  • Boat Length ≤45cm
  • Seaking 60A V4
  • Boat Length ≤60cm
  • Seaking 60A V4
  • Boat Length ≤60cm
  • Seaking 90A V4
  • Boat Length ≤80cm
  • Seaking 90A V4
  • Boat Length ≤80cm
  • Seaking 120A V4
  • Boat Length ≤100cm
  • Seaking 120A V4
  • Boat Length ≤100cm
Support

Manuals & Documents

FAQ