MN128 MN86 2830 Brushless Motor + AM32 45A ESC RC Car Upgrade Kit
MN128 / MN86 Brushless Motor & ESC Upgrade Kit — Take Your RC Crawler to the Next Level
Breathe new life into your 1:12 scale RC climbing vehicle with this complete brushless upgrade kit. Designed as a direct replacement for the stock 390 motor in MN128, MN86, and compatible models, this kit pairs a high-efficiency 2830 2400KV outer-rotor brushless motor with a feature-packed AM32 45A ESC — giving you smoother throttle response, more torque on demanding terrain, and a significant performance boost over the factory brushed setup.
Why Upgrade to Brushless?
- Greater efficiency: Brushless motors generate less heat and waste less energy than brushed motors, so your battery lasts longer on every run.
- More torque at low speeds: Built-in low-speed torque compensation keeps your crawler moving confidently over rocks, roots, and steep inclines.
- Longer lifespan: No brushes to wear out means far less maintenance and a motor that keeps performing run after run.
- Plug-and-play convenience: Standard 3.5 mm banana plug connectors and a 5V/2A BEC output make installation straightforward for hobbyists of all skill levels.
Motor Specifications
- Model: 2830 Outer-Rotor Brushless Motor
- KV Rating: 2400KV
- Power Supply: 2S–3S LiPo
- No-Load Current: 0.5A
- Magnetic Poles: 14
- Gear Ratio: 14T pinion
- Connector: 3.5 mm banana plug
ESC Specifications
- Model: AM32 45A ESC
- Power Supply: 2S–3S LiPo
- Continuous Current: 45A
- Peak Current: 280A
- BEC Output: 5V / 2A
- Low-Speed Torque Compensation: Yes
- Application: 1:12 scale RC climbing / crawler vehicles
- Compatible Models: MN128, MN86, and other models using a 390-size motor
What's Included — Choose Your Configuration
Select the option that best suits your needs at checkout:
- 1× Brushless Motor only
- 1× AM32 45A ESC only
- 1× Servo Motor only
- 1× Motor + ESC combo
- 1× Full Set Kit (Motor + ESC + Servo)
Notes
- Colors may appear slightly different from photos due to lighting and monitor variation.
- Please allow 1 mm–1 cm tolerance due to manual measurement.
- Made in Mainland China.
For general RC hobby safety guidelines and electronics handling best practices, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: Is this brushless motor upgrade kit compatible with the MN128 and MN86 RC cars?
A: Yes. This kit is specifically designed for the MN128, MN86, and any 1:12 scale RC crawler or climbing vehicle that uses a standard 390-size brushed motor. The 2830 outer-rotor brushless motor drops in as a direct upgrade replacement.
Q: What LiPo battery configuration does this kit support?
A: Both the 2830 brushless motor and the AM32 45A ESC are rated for 2S to 3S LiPo batteries, giving you flexibility to choose between a lighter 2S pack for stock-class performance or a 3S pack for maximum speed and torque output.
Q: What does the AM32 firmware offer over a standard ESC?
A: The AM32 open-source firmware provides smoother throttle linearity, configurable braking strength, low-speed torque compensation (great for crawling), and better thermal management — all key advantages for technical terrain driving compared to a basic brushed or generic ESC setup.
Q: Do I need any additional parts or tools to install this upgrade kit?
A: In most cases, standard hobby tools (screwdrivers, hex keys) are sufficient. The motor uses a 3.5 mm banana plug connector, which is widely compatible. Depending on your specific chassis, you may need to verify pinion gear fitment. The 5V/2A BEC output on the ESC is ready to power your receiver and servo without any additional hardware.