Futaba S3003 Standard Servo 3.2 kg
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Prices updated: 12 Oct 2026
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About this product
The Futaba S3003 is a standard servo rated at 3.2 kg, used in RC cars, boats and other models where a standard servo is needed. The package includes a preinstalled round horn, extra arms and a wheel, plus mounting hardware. The listing warns that it can draw high current, so use batteries able to supply enough amps.
Specifications
- Type
- Standard servo
- Torque
- 3.2 kg
- Operating voltage
- 4.8 V - 6.0 V
- Replaces
- S138, S148, S22, S38, S12
- Included parts
- Round horn (preinstalled), X arm, star arm, wheel, eyelets, grommets, screws
Frequently asked questions
Can I use it with an Arduino?
Yes. A standard RC servo has three wires (signal, power and ground) and can be driven from a PWM output using the Arduino Servo library. Power it from a suitable 4.8 V to 6.0 V supply rather than the Arduino's 5V pin when it draws high current.
Which models does it replace?
The listing says it is a replacement for the S138, S148, S22, S38 and S12 servos.
