Motor Overview:
The Spektrum™ 4685 4-Pole Brushless Marine Motor is purpose-built for performance enthusiasts running high-power RC boats using a 12S LiPo battery setup. With a robust 740kV rating and an extended 85-millimeter length, this motor is designed to deliver increased torque and superior thrust for large hulls and demanding water conditions. Its water-cooled design helps maintain optimal operating temperatures, ensuring consistent power and efficiency during extended runs.
About the 4685 Brushless Motor
Optimized Marine Power & Performance
This motor features a 4-pole internal design that boosts torque and efficiency. The durable five-millimeter steel output shaft offers reliability under stress, while the integrated eight-millimeter bullet connectors allow for quick and hassle-free installation. Combined, these features make the 4685 a powerhouse built specifically for the rigors of high-speed marine action.
Features:
- 740kV rating for strong torque and efficient power delivery
- Water-cooled housing for better thermal performance
- 4-pole design enhances torque and throttle response
- 85-millimeter motor length increases torque output
- Built for 12S LiPo setups in high-power boats
- Five-millimeter steel output shaft for added durability
- Eight-millimeter bullet connectors for quick installation
Includes:
- (1) 4685 4-Pole Brushless Marine Motor (740kV) w/Water Cooling Jacket
Specifications:
| Application | Marine |
|---|---|
| Size | 4865 |
| kV | 740kV |
| Type | Brushless |
| Voltage | 12S (48V) |
| Adjustable Timing | - |
| Watts | 4000 |
| Connector | 8mm Bullets |
| Length | 3.35in (85mm) |
| Diameter | 2.22in (56.5mm) |
| Shaft Diameter | 0.2in (5mm) |
| Weight | 24.34oz (690g) |