Unitree B1 Motor (B1 quadruped joint spare)
Unitree · Maglev ID ac-unitree-b1-motor
CN Maker in China, factory not confirmed unknown VERIFIED
Unitree's spare joint motor for the B1 industrial quadruped, sold on its official store with no published specs. Listed for the price and availability only.
Specifications
| Peak torque | unknown |
|---|---|
| Rated torque | unknown |
| Gear ratio | unknown |
| Voltage | unknown |
| Mass | unknown |
| Interface | unknown |
Who makes it
MakerUnitree Robotics (宇树科技, Hangzhou)
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 |
| Notes | Official store page has no description or specs. A reseller (xboom.in) quotes 48 V / 65 N·m rated / 120 N·m peak with an approximate weight, but gives no source, so we did not use it. |
Sources
- https://shop.unitree.com/products/b1-motorprice, sold-out state, photos
- https://shop.unitree.com/collections/accessories/products.json?limit=250store feed: $3,000, available=false
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.