CubeMars AK80-9 V3.0 KV100 Robotic Actuator
CubeMars · MPN AK80-9 V3.0 KV100 · Maglev ID ac-cubemars-ak80-9-v3
CN Maker in China, factory not confirmed unknown VERIFIED
The reference 9:1 QDD joint used across many quadruped and humanoid research builds; 60 dB at 65 cm claimed.
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 |
Who makes it
MakerNanchang Kude Intelligent Technology (CubeMars; Sanrui group, same group as T-MOTOR)
Based inChina
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
41.5%
TW
10%
VN
16.5%
IN
14%
JP
12.5%
KR
12.5%
DE
10%
MX
14%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Store price was US$579.90 on 2026-10-06 and US$479.90 on 2026-10-29. |
Equivalents from other makers
Sources
- https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.htmlspecs + USD price + CAD/2D drawing paths
- https://www.cubemars.com/cn/product/ak80-9-v3-0-robotic-actuator.htmlCN page specs; CNY 3,358.90
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.