Unitree A1 Joint Motor
Unitree · MPN A1 motor · Maglev ID ac-unitree-a1-motor
CN Maker in China, factory not confirmed unknown REPORTED
Older Unitree A1-quadruped joint motor (33.5 N·m instantaneous) still sold through resellers; RS-485 at 1 kHz.
Specifications
| Peak torque | 33.5 N·m max instantaneous |
|---|---|
| Rated torque | unknown |
| Gear ratio | unknown |
| Voltage | 20-40 V working |
| Mass | 605 g |
| Interface | RS-485, 1 kHz control period |
| Encoder | 15-bit motor encoder |
Who makes it
MakerHangzhou Yushu Technology (Unitree Robotics, 宇树科技)
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.
Loading duty data…
Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://www.4gltemall.com/unitree-a1-motor.htmlspecs + price (reseller)
Record confidence: REPORTED. 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.