1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your NEEBRC 2830 2400KV RC Outrunner Crawler Brushless Motor and AM32-45A Electronic Speed Controller (ESC) with 14T Gear. This system is specifically designed to enhance the performance of 1/12 MN128 Off Road Model Cars and other compatible MN series models that originally used 390 or 380 carbon brush motors.
2. Product Overview
The NEEBRC motor and ESC combination offers a significant upgrade for RC crawler vehicles, providing stronger power and improved linearity for climbing. The compact design ensures easy integration without extensive modifications.
2.1 Components
- 1 x NEEBRC 2830 2400KV Outrunner Crawler Brushless Motor
- 1 x 14T Gear (pre-installed on motor shaft)
- 1 x NEEBRC AM32-45A Brushless ESC
2.2 Key Features
- Optimized Fit: Designed to perfectly fit metal and original gearboxes with a 14x14mm aperture, eliminating the need for gearbox expansion.
- Enhanced Performance: Offers smaller size with stronger power output.
- Easy Installation: No need to polish the bottom shell or car shell during installation.
- Improved Control: Provides low-speed torque compensation and better linearity, making climbing easier.
- Compatibility: Applicable to Mangniu series models, specifically MN128, and other models that originally utilized 390 or 380 carbon brush motors.
- Note: The casing of the ESC is made of plastic, not metal.

3. Specifications
| Component | Specification |
|---|---|
| Motor (2830 2400KV Outrunner) | |
| KV Rating | 2400KV |
| Power Supply | 2-3S LiPo |
| No-load Current | 0.5A |
| Magnetic Poles | 14 poles |
| Motor Connector Type | 3.5mm Banana Plug |
| Gear Teeth | 14T |
| Dimensions (Motor Body) | 28mm Diameter x 28mm Length |
| Shaft/Gear Length | 17mm |
| ESC (AM32-45A Brushless) | |
| Voltage Range | 7.4-11.1V |
| Power Supply | 2-3S LiPo |
| Continuous Current | 45A |
| Peak Current | 280A |
| BEC Output | 5V/2A |
| Battery Connector | T Plug |
| Dimensions | 38.5mm x 28mm x 18.5mm |
| General | |
| Material | Metal (Motor), Plastic (ESC Casing) |
| Recommended Age | 14+ years |
| Certification | CE |
| For Vehicle Type | RC Cars (1/12 MN128 Off Road Model Car Climbing) |

4. Setup and Installation
Carefully follow these steps for proper installation of the motor and ESC into your RC vehicle.
4.1 Pre-Installation Checks
- Ensure your vehicle is powered off and the battery is disconnected.
- Verify that your gearbox has a 14x14mm aperture for the motor to fit correctly.
- Confirm that your receiver and battery are compatible with the ESC's specifications (2-3S LiPo, T-plug battery connector).
4.2 Motor Installation
- Mount the 2830 2400KV brushless motor into the gearbox. The design allows for a perfect fit without needing to expand the gearbox or polish the bottom shell/car shell.
- Ensure the 14T gear on the motor shaft meshes correctly with the vehicle's internal gears.
- Secure the motor firmly using appropriate screws.

4.3 ESC Installation and Wiring
- Find a suitable location in your vehicle to mount the AM32-45A ESC, ensuring good airflow for cooling.
- Connect the three phase wires from the motor to the corresponding output wires on the ESC. These typically use 3.5mm banana plugs.
- Connect the BEC (Battery Eliminator Circuit) cable from the ESC to the throttle channel (usually channel 2) on your RC receiver.
- Connect your LiPo battery (2-3S) to the T-plug battery connector on the ESC.


5. Operating Instructions
Once the motor and ESC are correctly installed and wired, you can proceed with operating your RC vehicle.
- Transmitter On: Always turn on your RC transmitter first.
- Connect Battery: Connect the LiPo battery to the ESC's T-plug connector. The ESC will emit a series of beeps indicating successful power-up and cell count detection.
- Calibration (if necessary): If this is the first use or after changing your transmitter, you may need to calibrate the ESC to your transmitter's throttle range. Refer to your ESC's specific manual for detailed calibration steps.
- Vehicle Operation: You can now operate your RC vehicle. The brushless system provides improved low-speed torque and linearity, which is beneficial for crawling and off-road climbing.
- Power Off: Always disconnect the battery from the ESC first, then turn off your RC transmitter.
6. Maintenance
Regular maintenance will ensure the longevity and optimal performance of your motor and ESC.
- Cleaning: Keep the motor and ESC free from dirt, dust, and moisture. Use a soft brush or compressed air to clean components after each use, especially after off-road driving.
- Inspections: Periodically check all wiring connections for looseness or damage. Ensure the motor's 3.5mm banana plugs and the ESC's T-plug are securely connected.
- Gear Mesh: Regularly inspect the motor's 14T gear and the vehicle's internal gears for wear. Proper gear mesh is crucial to prevent premature wear and ensure smooth operation.
- Heat Management: Ensure the ESC has adequate ventilation. Overheating can damage electronic components.
- Storage: When not in use, store the motor and ESC in a dry, cool place away from direct sunlight. Disconnect batteries when storing.
7. Troubleshooting
If you encounter issues, refer to the following common troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not spinning / No power | Loose connections, discharged battery, ESC not calibrated, faulty component. | Check all wiring, ensure battery is charged, recalibrate ESC, test components individually if possible. |
| Motor stutters or runs rough | Incorrect motor/ESC wiring, damaged motor/ESC, poor gear mesh. | Verify motor phase wire connections (A, B, C), check for physical damage, adjust gear mesh. |
| ESC overheating | Lack of ventilation, excessive load, incorrect gearing. | Ensure proper airflow around ESC, reduce load, consider smaller pinion gear if consistently overheating. |
| Loss of control / erratic behavior | Radio interference, low transmitter battery, faulty receiver. | Check transmitter battery, ensure clear line of sight, test with another receiver if available. |
8. User Tips
While no specific user tips were provided, general advice for RC enthusiasts includes:
- Battery Care: Always use LiPo batteries within their specified voltage and discharge limits. Store LiPo batteries safely and charge them with a compatible charger.
- Gearing: Experiment with different pinion/spur gear combinations to find the optimal balance between speed and torque for your specific driving conditions.
- Water Resistance: Although the ESC may have some level of protection, it is generally recommended to avoid submerging RC electronics in water unless explicitly stated as fully waterproof.
9. Warranty and Support
For any product problems, please contact the seller directly. Be prepared to provide product pictures or videos to assist with troubleshooting and support requests. Your satisfaction is important, and the seller aims to provide prompt assistance.





