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| Parameter | Details |
|---|---|
| Model | DS3218 |
| Type | Digital high-torque servo |
| Torque | 19.5kg·cm @ 6.8V17.5kg·cm @ 6.0V15kg·cm @ 4.8V |
| Operating Voltage | 4.8V – 6.8V DC |
| Rotation Angle | 270° (±10°, programmable if supported) |
| Speed | 0.16 sec/60° @ 6.8V0.18 sec/60° @ 6.0V |
| Control Signal | PWM (standard 50Hz–333Hz) |
| Pulse Width Range | 500 – 2500 µs |
| Connector Type | 3-pin (GND, VCC, PWM signal) |
| Gears | Full metal gear set |
| Bearings | Dual ball bearings |
| Waterproof Rating | IP66 (dust-tight, protected from high-pressure water jets) |
| Motor Type | Core motor |
| Weight | ~60g |
| Dimensions | ~40.5 × 20.2 × 38mm (L×W×H) |
| Cable Length | ~30cm (with JR/Futaba-compatible connector) |
| Mounting Hole Spacing | Standard 20mm spacing |
| Compatibility | RC receivers, robot controllers, servo testers |
| Applications | RC cars/boats, robotics, smart arms, mechanical systems |
High torque (up to 20kg·cm) for heavy-duty mechanical movement.
Wide voltage compatibility (4.8V–6.8V) for versatile power supply options.
270° rotation – wider than standard servos.
Full metal gears for high durability and wear resistance.
Dual ball bearings ensure smooth and quiet operation.
Waterproof IP66 rated – suitable for outdoor and marine use.
Digital control with precise and responsive motion.
The DS3218 20kg High Torque Servo Motor is a digital, high-performance, waterproof servo built for demanding robotic and RC applications. It delivers up to 20kg·cm torque, making it suitable for robot joints, RC cars, boats, crawlers, aircraft, and mechanical arms.
It features full metal gears for durability and precise control, and an impressive 270° rotation range, which offers greater flexibility than standard 180° servos. The DS3218 is also equipped with ball bearings for smooth operation and a high-precision potentiometer for consistent position feedback.
With its IP66 waterproof rating, it’s ideal for outdoor and wet-environment applications, such as RC boats or weather-exposed robotic platforms.
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
US$40
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