Sweg Motor
This 25mm diameter gearbox motor features a first stage with options for spur tooth or helical pinion, ideal for operations requiring small clearance. Available in 12V or 24V, with consistent motor parameters. Various gearbox ratios ranging from 10:1 to 499:1.
Compatible with different motors (e.g., 300, 370) for a wide range of output speeds and torques. Can be equipped with a 12PPR (48CPR) magnetic encoder, offering servo motor-like functionality at a cost-effective price point. Suitable for use in intelligent control products such as robots and 3D printers.
| Model | Voltage (VDC) | No load speed (rpm) | Noload current (mA) | Stall torque (kg.cm) | Gear ratio |
|---|---|---|---|---|---|
| 25D370H4-EN | 6V/12V | 2200 rpm | 550/275mA | 0.58 kg.cm | 4.4:1 |
| 25D370H9-EN | 6V/12V | 1010 rpm | 550/275mA | 1.25 kg.cm | 9.7:1 |
| 25D370H20-EN | 6V/12V | 480 rpm | 550/275mA | 2.6 kg.cm | 20.4:1 |
| 25D370H34-EN | 6V/12V | 285 rpm | 550/275mA | 4.3 kg.cm | 34:1 |
| 25D370H75-EN | 6V/12V | 130 rpm | 550/275mA | 9.4 kg.cm | 75:1 |
| 25D370H499-EN | 6V/12V | 19rpm | 550/275mA | 30kg.cm | 499:1 |
| Model | Voltage (VDC) | No load speed (rpm) | Noload current (mA) | Stall torque (kg.cm) | Gear ratio |
|---|---|---|---|---|---|
| 25D370L4 | 6V/12V | 1280 rpm | 250/125mA | 0.36 kg.cm | 4.4:1 |
| 25D370L34 | 6V/12V | 165 rpm | 250/125mA | 2.9 kg.cm | 34:1 |
| 25D370L99 | 6V/12V | 57rpm | 250/125mA | 8.0kg.cm | 99:1 |
| 25D370L499 | 6V/12V | 12rpm | 250/125mA | 21.5kg.cm | 499:1 |






Our 25mm gearbox motor is designed for various applications such as robots, toys, 3D printers, smart devices, and kitchen supplies. It offers low noise operation and the choice between small load torque plastic gear (POM) or large load torque metal gear.
Equipped with an encoder, it provides cost-effective servo functionality. Customizable parameters allow for adjustments based on needs, delivering a maximum torque of 5N.m at 12V/24V with a speed range of 10 to 3000 RPM.




