# CubeMars AK80-9 V3.0 KV100 Robotic Actuator

![CubeMars AK80-9 V3.0 KV100 Robotic Actuator](https://parts.trymaglev.com/img/ac-cubemars-ak80-9-v3.webp)

The reference 9:1 QDD joint used across many quadruped and humanoid research builds; 60 dB at 65 cm claimed.

- Maglev ID: ac-cubemars-ak80-9-v3
- Brand: CubeMars
- MPN: AK80-9 V3.0 KV100
- Category: actuators / Integrated Joint Actuators
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Nanchang Kude Intelligent Technology (CubeMars; Sanrui group, same group as T-MOTOR) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.40.00 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $479.90 (list, 2026-10-29, https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html; Official CubeMars store price; freight/duties extra. Free international express over US$200 per product page.)

## Specifications
- Peak torque: 22 N·m
- Rated torque: 9 N·m
- Gear ratio: 9:1 planetary
- Voltage: 48 V rated
- Mass: 490 g
- Interface: CAN / CAN FD (XT30 2+2 power+CAN) + UART tuning port; servo and MIT modes
- Encoder: 16-bit magnetic (inner loop)
- Backlash: 15 arcmin

## Links
- Product: https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html
- Datasheet: https://www.cubemars.com/data/cms/202610/ak-series-motor-module-v3-driver-software-user-manual-en.pdf
- CAD: https://www.cubemars.com/data/cms/202602/ak80-9-v3-0-robotic-actuator-3d-drawing.zip

## Equivalents
- RobStride RS02 QDD Joint Actuator (ac-robstride-rs02)
- Unitree GO-M8010-6 Joint Motor (ac-unitree-go-m8010-6)
- SteadyWin GIM8115-9 Joint Motor (48 V, GDS810 driver) (ac-steadywin-gim8115-9)

## Sources
- https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html (specs + USD price + CAD/2D drawing paths)
- https://www.cubemars.com/cn/product/ak80-9-v3-0-robotic-actuator.html (CN page specs; CNY 3,358.90)