# Unitree B1 Motor (B1 quadruped joint spare)

![Unitree B1 Motor (B1 quadruped joint spare)](https://parts.trymaglev.com/img/ac-unitree-b1-motor.webp)

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.

- Maglev ID: ac-unitree-b1-motor
- Brand: Unitree
- MPN: unknown
- Category: actuators / Integrated Joint Actuators
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Unitree Robotics (宇树科技, Hangzhou) (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+: $3,000 (list, 2026-10-30, https://shop.unitree.com/products/b1-motor)

## Specifications
- Peak torque: unknown
- Rated torque: unknown
- Gear ratio: unknown
- Voltage: unknown
- Mass: unknown
- Interface: unknown

## Links
- Product: https://shop.unitree.com/products/b1-motor
- Datasheet: none
- CAD: none

## Sources
- https://shop.unitree.com/products/b1-motor (price, sold-out state, photos)
- https://shop.unitree.com/collections/accessories/products.json?limit=250 (store feed: $3,000, available=false)