---
title: "AK70-10 (KV100) by CubeMars (T-Motor): specs, torque and price"
description: "QDD / Proprioceptive actuator from CubeMars (T-Motor) (China). Peak torque 24.8 Nm, rated 8.3 Nm, weight 521 g, torque density 47.6 Nm/kg, price $399."
canonical: https://getactuators.com/actuators/cubemars-ak70-10
last-updated: 2026-09-26T20:29:50.000Z
---
# AK70-10 (KV100) by CubeMars (T-Motor)

> QDD / Proprioceptive actuator from CubeMars (T-Motor) (China). Peak torque 24.8 Nm, rated 8.3 Nm, weight 521 g, torque density 47.6 Nm/kg, price $399.

## Specifications

| Spec | Value |
| --- | --- |
| Category | QDD / Proprioceptive |
| Peak torque | 24.8 Nm |
| Rated torque | 8.3 Nm |
| Max speed | 310 rpm |
| Gear ratio | 10:1 |
| Weight | 521 g |
| Torque density | 47.6 Nm/kg |
| Price | $399 |
| Price per Nm | $16.1 |
| Backdrivable | yes |
| Backlash | 8 arcmin |
| Voltage | 24-48 V |
| Peak current | n/a |
| Communication | CAN |
| Control modes | position, velocity, torque, mit |
| Encoder | 14-bit magnetic (motor-side) |
| Integrated driver | yes |
| Availability | in production |
| Data status | verified against sources |

## Use cases

- quadruped leg
- robot arm
- legged robot

## Notes

High torque-density QDD widely used in DIY quadrupeds and jumping-leg research. 24.8 Nm peak / 8.3 Nm rated. max\_speed\_rpm is manufacturer rated speed at 48V (148 rpm at 24V). Price ~$399 (CubeMars store $398.90). \[Verified Sep 2026: net weight 521 g (was listed 610 g), backlash 8 arcmin per CubeMars/MAB Robotics.\]

## Sources

- <https://www.cubemars.com/product/ak70-10-kv100-robotic-actuator.html>
- <https://www.cubemars.com/images/file/20240523/1716429938564781.pdf>
- <https://store.cubemars.com/products/ak70-10>
- <https://www.directindustry.com/prod/cubemars/product-217143-2388705.html>

## Similar QDD / Proprioceptive actuators

- [GIM8108-8 (Steadywin)](https://getactuators.com/actuators/steadywin-gim8108-8): 58.7 Nm/kg
- [AK10-9 (V3.0 KV60) (CubeMars (T-Motor))](https://getactuators.com/actuators/cubemars-ak10-9): 55.2 Nm/kg
- [AK80-9 (V3.0 KV100) (CubeMars (T-Motor))](https://getactuators.com/actuators/cubemars-ak80-9): 45.4 Nm/kg
- [GO-M8010-6 (Unitree)](https://getactuators.com/actuators/unitree-go-m8010-6): 44.7 Nm/kg
- [CyberGear Micromotor (Xiaomi)](https://getactuators.com/actuators/xiaomi-cybergear): 37.9 Nm/kg

## Machine-readable

- JSON: https://getactuators.com/api/v1/actuators/cubemars-ak70-10
- Catalog index for agents: https://getactuators.com/llms.txt