Model A: RK-370CA-3085 (Low Voltage & High Speed Type)
Brand new original Mabuchi RK-370CA-3085 high-speed 370 motor.
Genuine Mabuchi original product, high-speed version of 370 series. A cost-effective pick for RC aircraft, RC car and DIY enthusiasts!
✅ Key Features
- High RPM design, no-load speed up to 12300 RPM at 6V with powerful output
- Strict quality control by Mabuchi, stable operation and long service life of carbon brushes
- Compact size with high power density, ideal for speed-demanding projects
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Specifications
| Item | Specification |
|---|---|
| Brand | Mabuchi Motor |
| Model | RK-370CA-3085 |
| Weight | 48.3g |
| Shaft Diameter | 2mm (Standard 370 motor size) |
| Recommended Voltage | DC 3V ~ 6V |
No-Load Performance
| Voltage | No-Load Current | No-Load RPM |
|---|---|---|
| 3V | 110mA | 6250 RPM |
| 5.0V | 130mA | 10000 RPM |
| 6.0V | 140mA | 12300 RPM |
Application Scenarios
RC aircraft, RC car, turbojet starter, high-speed fan, power-driven DIY projects and more.
Model B: RK-370SD-14240/45
Brand New Original Packaged Mabuchi RK-370SD-14240/45 Motor
✅ Key Features
- Equipped with heat dissipation holes, ferrite magnet & hexagonal coated rotor for enhanced stability during long-time operation
- Built-in carbon brushes and anti-interference varistor, longer lifespan than motors with precious metal brushes
- Wide voltage range DC 3V-24V, rotating speed increases linearly with voltage
- Reliable quality from Mabuchi, stable performance. Perfect for DIY, model making and electronic experiments
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| Item | Specification |
|---|---|
| Brand | Mabuchi Motor |
| Model | RK-370SD-14240/45 |
| Dimensions | 30.8mm × 24.4mm |
| Shaft Diameter | 2mm |
| Shaft Length | 12mm |
| Weight | 45.8g |
| Voltage Range | DC 3.0V ~ 24.0V |
Notice:
Slight noise may occur when the motor runs unloaded under high voltage.
This is caused by the internal dynamic balance design and is not a product defect.
Under 12V, motor run quiet.
Slight noise may occur when the motor runs unloaded under high voltage.
This is caused by the internal dynamic balance design and is not a product defect.
Under 12V, motor run quiet.
Motor Test Data
| Voltage | No-Load Current | No-Load RPM |
|---|---|---|
| 3.0V | 30mA | 2000 RPM |
| 6.0V | 40mA | 4000 RPM |
| 9.0V | 45mA | 6200 RPM |
| 12.0V | 50mA | 8500 RPM |
| 18.0V | 75mA | 12300 RPM |
| 24.0V | 85mA | 16500 RPM |