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Unitree B2

Unitree Robotics

An industrial-grade four-legged robot rated IP67, described by Unitree as the fastest industrial quadruped.

Origin
Hangzhou, China
Announced
Late 2023
Configurations
varies
Price range
$100,000

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Commercial record

What it actually costs.

Pricing is presented in full, not flattened to one number. Figures vary by configuration and by where the unit is purchased.

Verified range

$100,000

The base B2 carries a published MSRP of $100,000. A B2-W wheeled-leg hybrid variant and a fire-response configuration exist at higher cost, priced by quote. Configured totals vary with sensor and compute bundles.[2]

Configuration tier

From

  • B2 (base)

    Published MSRP. Sensor and compute bundles are additional.

    $100,000

  • B2-W (wheeled-leg hybrid variant)

    Higher cost than the base B2; priced by quote.

    By quote

Specifications

The full technical record.

Specifications vary by configuration. Each value is attributed to its source; figures marked for EDU configurations differ from the base unit.

Dimensions

Dimensions (standing)
1098 × 450 × 645mm[1]

Mass & Payload

Weight (with battery)
60kg(132 lb)[1]
Payload (standing, max)
120kg(265 lb)[1]
Payload (walking)
>40kg(88 lb)[1]

Mobility

Speed (up to)
6m/s(13 mph)[1]
Long jump
>1.6m[1]
Step height
40cm[1]
Slope
>45degrees[1]
Drop tolerance
up to 2.8m[1]
Joint torque
360N·m[1]

Power

Battery
45 Ah (2250 Wh)[1]
Battery type
Quick-swap; optional autonomous charging[1]
Runtime (unloaded)
~5 h / 20 km[1]
Runtime (20 kg load)
~4 h / 15 km[1]

Sensors

3D LiDAR
32-channel option[3]
Cameras
Depth + optical (bundle dependent)[3]

Compute

Platform processor
Intel Core i5[1]
User development processor
Intel Core i7[1]
Optional accelerators
Up to 3 × NVIDIA Jetson Orin NX[1]

Environment

Ingress protection
IP67[1]
Operating temperature
-20 to 55C[1]

Connectivity

Ethernet
4 × 1GbE[1]
USB
4 × USB 3.0[1]
Auxiliary power
12V / 24V[1]
Developer access
Full SDK, secondary development[1]

Neutral analysis

The record, in plain terms.

Overview

The B2 is Unitree's industrial-grade four-legged robot, announced in late 2023. It is rated IP67, operates from -20 to 55 degrees C, and is described by Unitree as the fastest industrial quadruped at up to 6 m/s. The platform carries up to 120 kg standing and more than 40 kg while walking, runs approximately five hours or 20 km unloaded on a quick-swap 2250 Wh battery, and supports full SDK access. A B2-W wheeled-leg hybrid variant and a fire-response configuration extend the platform beyond the base model.

Strengths

  • IP67-rated with a -20 to 55 degrees C operating range.
  • Up to 6 m/s, described by Unitree as the fastest industrial quadruped.
  • 120 kg standing payload; more than 40 kg while walking.
  • Approximately 5 hours or 20 km of unloaded endurance, with quick-swap battery and optional autonomous charging.
  • Full SDK and secondary development support with expandable Jetson Orin compute.
  • Wheeled-leg (B2-W) and fire-response variants extend the platform.

Considerations

  • An industrial and research platform, not a consumer product.[2]
  • At 60 kg with battery, the B2 is heavy relative to consumer-class quadrupeds.[1]
  • The $100,000 base MSRP is premium, and sensor and compute bundles add cost.[2]

The flywheel

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Verifiable

Sources.

We are sourced, and verifiable. Every cited figure above ties back to a numbered reference here.

  1. [1]
    Unitree Robotics, Official B2 Product Page

    https://www.unitree.com/b2

    Manufacturer specifications. Figures vary by configuration.

  2. [2]
    The Robot Report

    https://www.therobotreport.com/

    Independent robotics trade publication; source for the published MSRP.

  3. [3]
    Authorized Reseller, Unitree B2 Configurations

    https://www.robotshop.com/

    Configuration and sensor-bundle details.

Cite this record

The Rivet Index. "Unitree B2." RID-000009. https://rivetindex.com/r/RID-000009