1. Introduction
This manual provides comprehensive instructions for the 9IMOD RC Brushed Motor ESC Combo, designed for 1/10 scale RC cars, boats, and tanks. The combo includes a 9IMOD-1060-RTR 60A Brushed Electronic Speed Controller (ESC) and a SURPASS HOBBY 540 or 550 series brushed motor. This system offers robust performance, waterproof design, and multiple protection features for a reliable RC experience.

2. Safety Precautions
- Always disconnect the battery from the ESC when not in use to prevent accidental operation.
- Ensure all connections are secure and properly insulated to avoid short circuits.
- Operate RC vehicles in open areas, away from people, pets, and obstacles.
- Do not expose the ESC or motor to extreme temperatures or direct sunlight for prolonged periods.
- Use only recommended battery types and configurations. Note: Using 3S LiPo batteries with the BEC may cause damage.
- Keep small parts out of reach of children.
3. Package Contents
Upon opening your package, please verify that all the following items are included:
- 1 x 9IMOD-1060-RTR 60A ESC
- 1 x SURPASS HOBBY 540 or 550 Series Brushed Motor (specific turn count as ordered)
4. Specifications
4.1. 9IMOD-1060-RTR 60A Brushed ESC
| Feature | Specification |
|---|---|
| Model | 9IMOD-1060-RTR |
| Constant Current | 60A |
| Burst Current | 480A |
| BEC Output | 6V / 3A |
| Power Supply | 2-3S LiPo battery, 5-9 cell NiMH battery |
| Suitable for | 1:10 RC Cars/Boats/Tanks |
| Waterproof | Yes |
| Dimensions | 36 * 31 * 20mm |
| Plug Options | T Plug/XT60 Plug/Tamiya Plug (as ordered) |
| Running Modes | Forward / Brake, Forward / Reverse / Brake, Forward / Reverse |

4.2. SURPASS HOBBY 540 Brushed Motor
| Feature | Specification |
|---|---|
| Item Brand | SURPASS HOBBY |
| Size | 540 |
| Turns (T) | 35T / 45T / 55T |
| Motor Shaft Diameter | 3.175mm |
| Flat Position | 0.4mm |
| Axle Length | 12mm |
| Connector | 3.5mm gold |
| Suitable for | HSP HPI Wltoys Tamiya FS Kyosho TRAXXAS Yokomo RC Car |
| Diameter | 35.7mm |
| Length | 53.5mm |
| Net Weight | 163g |

4.3. SURPASS HOBBY 550 Brushed Motor
| Feature | Specification |
|---|---|
| Item Brand | SURPASS HOBBY |
| Size | 550 |
| KV (RPM/Volt) | 12T / 21T / 27T / 35T |
| Max Voltage | 7.2V |
| No-load Current | 2.3A |
| No-load Speed | 13000 rpm |
| Load Current | 6.3A |
| Motor Shaft Diameter | 3.175mm |
| Flat Position | 0.4mm |
| Axle Length | 16.5mm |
| Line Length | 11cm |
| Connector | 3.5mm gold |
| Suitable for | HSP HPI Wltoys Tamiya FS Kyosho TRAXXAS Yokomo RC Car |
| Diameter | 35.6mm |
| Length | 57.5mm |
| Net Weight | 240g |

5. Setup and Installation
Follow these steps to correctly install and connect your ESC and motor combo:
- Mount the Motor: Securely attach the brushed motor to your RC vehicle's motor mount using appropriate screws. Ensure proper gear mesh with the pinion gear.
- Connect the Motor to ESC: Connect the two motor wires (typically red and black) to the corresponding motor output terminals on the ESC. The ESC features 3.5mm gold bullet connectors for a secure connection.
- Connect the ESC to Receiver: Plug the ESC's signal cable (usually a three-wire cable: white/orange, red, black/brown) into the throttle channel (CH2 or CH1, depending on your receiver) of your RC receiver.
- Connect the Servo: Plug your steering servo's signal cable into the appropriate channel (e.g., CH1 or CH2) on your receiver.
- Connect the Battery: Connect your battery pack to the ESC's power input connector. The ESC supports T Plug, XT60 Plug, or Tamiya Plug, depending on the version you purchased. Ensure polarity is correct (red to positive, black to negative).
- Power On: Turn on your RC transmitter first, then turn on the ESC using its power switch.

6. Operating Instructions
The 9IMOD-1060-RTR ESC offers three running modes and supports both LiPo and NiMH battery types. Always ensure your transmitter is on before powering up the ESC.
6.1. Running Modes
The ESC can be configured for different running modes using jumpers on the mode connection switching function block (refer to the wiring diagram image in Section 5):
- Forward + Braking (F/B): This mode allows forward movement and braking. No reverse function.
- Forward Braking Reverse (F/B/R): This is a common mode for general driving, allowing forward, braking, and reverse.
- Forward Reverse (F/R): This mode allows immediate switching between forward and reverse without a brake delay.
6.2. Battery Type Selection
The ESC automatically detects the battery type (LiPo or NiMH) based on the voltage. However, it's crucial to set the correct battery mode using the jumpers on the ESC to ensure proper low voltage cutoff protection:
- LiPo Battery Mode: Set the jumper for LiPo batteries to activate the appropriate low voltage cutoff, protecting your LiPo packs from over-discharge.
- NiMH Battery Mode: Set the jumper for NiMH batteries.
NOTE: It is highly recommended to use 2S LiPo batteries. Using 3S LiPo batteries may damage the BEC due to higher voltage.
7. Maintenance
Regular maintenance will ensure the longevity and optimal performance of your ESC and motor combo:
- Cleaning: After each use, especially in dusty or wet conditions, clean the ESC and motor with a soft brush or compressed air to remove dirt and debris.
- Inspections: Periodically check all wires and connectors for signs of wear, fraying, or corrosion. Ensure all connections are tight.
- Motor Brushes: For brushed motors, inspect the motor brushes for wear. Replace them if they are significantly worn down to maintain performance.
- Bearings: Check motor bearings for smooth operation. If they feel gritty or noisy, they may need cleaning or replacement.
- Heat Management: Ensure adequate airflow around the ESC and motor during operation. Overheating can reduce performance and lifespan.
8. Troubleshooting
If you encounter issues with your ESC and motor combo, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not responding | Loose connections, low battery, ESC not calibrated, motor or ESC failure | Check all wiring, charge battery, recalibrate ESC, inspect components for damage. |
| Motor runs slowly or intermittently | Low battery voltage, motor brushes worn, poor connections, overheating | Charge battery, check motor brushes, secure connections, allow components to cool. |
| ESC cuts out during operation | Low voltage cutoff activated, ESC overheating, overcurrent protection | Charge battery, check battery type setting, allow ESC to cool, reduce load on motor. |
| No reverse function | ESC running mode set to 'Forward + Braking' | Adjust ESC running mode jumper to 'Forward Braking Reverse' or 'Forward Reverse'. |
| ESC gets excessively hot | Overloading, poor ventilation, incorrect gearing | Reduce load, ensure proper airflow, check gearing for optimal performance. |
9. User Tips
- Battery Management: Always use a LiPo alarm when running LiPo batteries to monitor voltage and prevent over-discharge, even with the ESC's built-in cutoff.
- Gearing Optimization: Experiment with different pinion and spur gear combinations to find the best balance of speed and torque for your specific vehicle and terrain, which also helps manage motor and ESC temperatures.
- Waterproof Care: While the ESC is waterproof, it's always good practice to dry it thoroughly after exposure to water to prevent long-term corrosion, especially on connectors.
- Connector Choice: If your vehicle uses a different battery connector than what came with the ESC, consider soldering on the appropriate connector for a direct and reliable power connection.
- Motor Break-in: For new brushed motors, a proper break-in procedure (running at low voltage in distilled water) can improve brush seating and overall performance.
10. Warranty and Support
For any issues or questions regarding your 9IMOD RC Brushed Motor ESC Combo, please contact the seller or manufacturer's customer support. Keep your purchase receipt as proof of purchase for any warranty claims. Specific warranty terms and conditions may vary by region and seller.