---
title: "RMD-X6-8 V3 by MyActuator: specs, torque and price"
description: "Integrated Joint actuator from MyActuator (China). Peak torque 8 Nm, rated 4.5 Nm, weight 490 g, torque density 16.3 Nm/kg, price $355."
canonical: https://getactuators.com/actuators/myactuator-rmd-x6-8
last-updated: 2026-09-26T20:29:50.000Z
---
# RMD-X6-8 V3 by MyActuator

> Integrated Joint actuator from MyActuator (China). Peak torque 8 Nm, rated 4.5 Nm, weight 490 g, torque density 16.3 Nm/kg, price $355.

## Specifications

| Spec | Value |
| --- | --- |
| Category | Integrated Joint |
| Peak torque | 8 Nm |
| Rated torque | 4.5 Nm |
| Max speed | 310 rpm |
| Gear ratio | 8:1 |
| Weight | 490 g |
| Torque density | 16.3 Nm/kg |
| Price | $355 |
| Price per Nm | $44.4 |
| Backdrivable | n/a |
| Backlash | n/a |
| Voltage | 24-48 V |
| Peak current | n/a |
| Communication | CAN, RS-485 |
| Control modes | position, velocity, torque |
| Encoder | 18-bit magnetic (dual-encoder option) |
| Integrated driver | yes |
| Availability | in production |
| Data status | verified against sources |

## Use cases

- robot arm
- quadruped leg
- agv

## Notes

Entry-level planetary joint module (MC-X-300 driver built in). Peak torque 8 N.m and rated 4.5 N.m at 310 rpm per RobotShop V3 1:8 listing. Net weight 490 g per the MyActuator X6-8 spec sheet and Amazon listing.

## Sources

- <https://www.robotshop.com/products/myactuator-rmd-x6-v3-can-bus-18-mc-x-300-o-brushless-servo-driver>
- <https://www.myactuator.com/downloads-xseries>
- <https://www.amazon.com/MyActuator-RMD-X6-Brushless-Lightweight-GUI3-0/dp/B0B82D36B4>
- <https://aifitlab.com/products/myactuator-rmd-x6-8-motor>

## Similar Integrated Joint actuators

- [RMD-X8-120 (MyActuator)](https://getactuators.com/actuators/myactuator-rmd-x8-120): 85.7 Nm/kg
- [RobStride 04 (RobStride)](https://getactuators.com/actuators/robstride-04): 84.5 Nm/kg
- [GIM6010-36 (48V) (Steadywin)](https://getactuators.com/actuators/steadywin-gim6010-36): 71.4 Nm/kg
- [RobStride 03 (RobStride)](https://getactuators.com/actuators/robstride-03): 66.7 Nm/kg
- [RobStride 00 (RobStride)](https://getactuators.com/actuators/robstride-00): 45.2 Nm/kg

## Machine-readable

- JSON: https://getactuators.com/api/v1/actuators/myactuator-rmd-x6-8
- Catalog index for agents: https://getactuators.com/llms.txt