400KV brushless heavy lift drone motor provides the performance and reliability required for demanding drone operations. Designed to run on a 6S battery configuration, this BLDC motor performs reliably across a wide range of working environments, making it ideal for professional drone applications.
Specification
Model |
BLDC-EOLO-3515 |
Motor KV |
400 |
Rated Voltage (Lipo) |
6S |
Number of Stator Slots |
12 |
Number Of Rotor Poles |
14 |
Motor Internal Resistance |
87mΩ |
No-Load Current |
0.6A/10V |
Max Continuous Current |
28A/30s |
Max Continuous Power |
700W |
Recommended ESC |
50A |
Recommended Propeller |
C15*5.5/CN13*5 |
Recommended Take-off Weight of Single Axis |
≤1200g |
Shaft Diameter |
4mm |
Stator Outer Diameter |
41.9mm |
Stator Thickness |
15mm |
Motor Silicone Wire |
20AWG 600mm |
Motor Size |
φ41.9*39.0mm |
Weight (Including Wire) |
170g |
Features
- High efficiency and stable performance: The 400KV brushless DC motor delivers consistent performance with high efficiency, making it ideal for heavy-lift drone applications.
- IP54 motor structure: Designed with an IP54-rated casing, the BLDC motor is protected against dust and water, ensuring reliable operation in various environments.
- Optimized winding and magnetic design: This lightweight BLDC drone motor features hand-wound coils, a maximized slot fill rate, and an optimized magnetic circuit, providing stronger power and improved overall performance.
Dimension (Unit: mm)

Applications
Environmental Monitoring Drone
Q: Can heavy lift drone motors be used for both quadcopters and hexacopters?
A: Yes, heavy lift drone motors can be used in both quadcopters and hexacopters, but the choice depends on the payload and flight requirements. In a quadcopter, each BLDC motor must handle more load because the total thrust is divided by only four motors. Hexacopters distribute the load across six motors, reducing stress per motor and providing greater redundancy in case one motor fails. For very heavy payloads, octocopters or larger multi-rotor setups are often chosen to ensure stability and safety. The same type of heavy lift motor can be installed in different frame types, but the required thrust and propeller size may vary. Always calculate the thrust needed per motor based on total weight, including payload, and then match the motor accordingly. Both setups benefit from strong, efficient heavy lift motors.