# DSServo DS3218 20 kg Digital Servo

> DSServo DS3218 (DS3218MG) is a standard-size digital metal-gear servo: 19 kg·cm stall torque at 5 V and 21.5 kg·cm at 6.8 V, 0.16 / 0.14 s per 60°, 4.8–6.8 V, 500–2500 µs PWM for 180° or 270° travel, 3 µs dead band, IP66, dual ball bearings, 25T spline. Case 40 × 20 × 40.4 mm, 54.5 mm over the ears, 60 g.

- Manufacturer: DSServo
- Part number: DS3218MG
- Category: Actuators
- Canonical page: https://www.xirkit.io/products/dsservo-ds3218-20-kg-digital-servo-dd58
- Structured JSON: https://www.xirkit.io/products/dsservo-ds3218-20-kg-digital-servo-dd58/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Actuator type | pwm_servo |
| Gearbox | copper & aluminium metal gear train |
| Peak torque | 2.108 N·m |
| No-load speed | 71.4 rpm |
| Rated voltage | 6.8 V |
| Encoder | potentiometer |
| Control interface | PWM |
| Control modes | position (180° or 270°) |
| Dimensions | 54.5 × 20 × 44.4 mm |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| rcdrone.top (RCDrone) | 15.16 USD | in_stock | 2026-10-17 | https://rcdrone.top/products/dsservo-waterproof-servo-ds3218-20kg-ds3225-25kg-ds3235-35kg?variant=44863848874208 |

## FAQ

**How much does the DSServo DS3218 20 kg Digital Servo cost?**

From $15.16 at rcdrone.top (RCDrone). Prices are observed unit prices before tax and shipping.

**What are the DSServo DS3218 20 kg Digital Servo dimensions?**

54.5 × 20 × 44.4 mm. A STEP model is available for enclosure fit checks.

**Where does this DSServo DS3218 20 kg Digital Servo data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [DSServo DS3218 20 kg Digital Servo datasheet](https://rcdrone.top/products/dsservo-waterproof-servo-ds3218-20kg-ds3225-25kg-ds3235-35kg)
- [rcdrone.top (RCDrone) listing](https://rcdrone.top/products/dsservo-waterproof-servo-ds3218-20kg-ds3225-25kg-ds3235-35kg?variant=44863848874208)

## Part graph

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