Unitree B2 Industrial-Grade Quadruped Robot Dog

Unitree RoboticsSKU: RB-Unt-147
Manufacturer #: B2

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Sale price $109,857.14

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Description

Estimated Lead Time: Orders placed today are expected to ship within ~6 weeks.
  • Unitree B2 Industrial-Grade Quadruped Robot Dog
  • Reaches 6 m/s top speed with trot, lateral, and stair-climb gait modes
  • Sustains payloads exceeding 40 kg for sensor and equipment integration
  • Unloaded walking endurance greater than 5 hours and over 20 km per charge
  • Clears obstacles up to 40 cm and traverses stairs, rock piles, and steep slopes
  • Onboard depth camera perception for intelligent obstacle detection and avoidance
  • Full B2 SDK documentation hub with robotics middleware compatibility and OTA updates

The Unitree B2 Industrial-Grade Quadruped Robot Dog, developed by Unitree Robotics, is an industrial-grade quadruped robot engineered for all-terrain autonomy and heavy-payload field operations. The B2-US configuration is the North American market variant of the B2 platform, sharing the full performance specification of the core model. Capable of traversing stairs, rubble fields, slippery surfaces, and steep inclines, it extends autonomous legged mobility into environments where wheeled platforms cannot operate reliably. Power infrastructure inspection, emergency rescue, and large-scale industrial site monitoring are the primary operational contexts for this field robotics platform.

Perception on the B2 is handled by a dual depth camera and dual optical camera array, giving the platform onboard spatial awareness for obstacle detection and avoidance during teleoperated missions. Direct operator control via the included remote controller is the primary operating mode, with the SDK enabling custom software integrations for teams building their own autonomy layers. A sensor-guided autonomous charging solution extends continuous deployment endurance by enabling unattended docking between runs (charging dock sold separately). The platform exposes a structured developer interface through an official SDK documentation hub, with compatibility across widely used robotics middleware. Research institutions, industrial inspection teams, and emergency response organizations are the core user base for this legged robot platform.

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Max Speed
6 m/s
Joint Torque
360 N.m
Payload Capacity
40+ kg
Battery Endurance
5+ hrs
Ingress Protection
IP67
Model Features
Capabilities
Obstacle Detection & Avoidance

The B2 uses onboard depth cameras to detect obstacles and assess terrain in real time. The operator directs the mission via the remote controller while the robot handles collision avoidance and surface stability detection automatically.

SDK & ROS Integration

A dedicated B2 developer documentation hub provides structured SDK access for building custom autonomy stacks and mission logic. The platform is compatible with widely used robotics middleware for seamless ecosystem integration.

OTA Software Updates

The B2 supports continuous over-the-air firmware and software upgrades, ensuring capabilities evolve without manual intervention. This keeps the platform current throughout its operational lifespan without requiring physical access.

Payload & Accessory Mounting

With a sustained load capacity exceeding 40 kg, the B2 accommodates a wide range of sensor payloads and mission-specific accessories. This makes it adaptable to diverse inspection, monitoring, and data-collection configurations.

Use Cases & Application Scenarios
Power Infrastructure Inspection
The B2 navigates substations and power generation facilities where manual inspection is hazardous. Its all-terrain mobility and onboard obstacle avoidance allow it to conduct thorough surveys in environments that present serious safety risks to personnel.
Emergency & Rescue Operations
In emergency response scenarios, the B2 traverses rubble fields, steep inclines, and unstable surfaces where wheeled platforms cannot operate. Its legged mobility and robust payload capacity make it suitable for carrying sensing or communication equipment into affected areas.
Industrial Site Inspection
Manufacturing plants and logistics facilities benefit from the B2's ability to conduct regular patrols and condition assessments autonomously. The robot's extended endurance and sensor-guided navigation enable it to cover large areas with minimal operator involvement.
Security & Perimeter Patrol
The B2's all-terrain mobility and IP67-rated construction make it well-suited for outdoor security patrol tasks. It traverses uneven grounds, stairwells, and mixed-surface areas while carrying camera or sensor payloads for scheduled or on-demand perimeter monitoring at industrial sites and secure facilities.
Key Components
Locomotion Performance
6 m/s top speed, 12 total DOF
Knee Joint Actuator
360 N·m peak torque
Payload Capacity
40 kg continuous, 120 kg standing
Battery Pack
45 Ah (2,250 Wh), 4–6 h runtime
IP67 Sealing
Dust-tight & waterproof
Main Computing
Intel Core i5/i7 + Jetson Orin NX
Perception Sensors
2× depth camera + 2× optical camera
Wireless
Wi-Fi 6, Bluetooth 5.2
Expansion I/O
4× Gigabit Ethernet, 4× USB 3.0
Terrain Clearance
40 cm obstacles, 20–25 cm stairs
Unitree B2 Industrial-Grade Quadruped Robot Dog

Model: B2

Sensor
RS-Helios 5515 LiDAR
RoboSense 32-channel rotating LiDAR, 360° FOV, up to 100 m range
Hardware
Navigation Compute Unit
Dedicated onboard processor running the full autonomy and SLAM stack
Software
Autonomy Stack
Path planning, obstacle avoidance, real-time 3D map building, and mission execution
This model (B2) ships without the navigation kit. The B2-NAV-KIT variant includes all of the above as an integrated configuration.
Unitree B2 Industrial-Grade Quadruped Robot Dog

Model: B2

Height, Width, Thickness (Stand)
Height, Width, Thickness (Fold)
Weight (With Battery)

Values shown are from the manufacturer's reference.

Unitree B2 Industrial-Grade Quadruped Robot Dog

Model: B2

Height, Width, Thickness (Stand)
1098mm×450mm×645mm
Height, Width, Thickness (Fold)
880mm×460mm×330mm
Weight (With Battery)
About 60kg
Total Degrees of Freedom
12
Single Leg Degrees of Freedom
3
Maximum Torque of Knee Joint
360N.m
Joint Encoder
Dual encoder
Hip Joint Limit
-0.87 ~ 0.87 rad
Thigh Joint Limit
-0.94 ~ 4.69 rad
Calf Joint Limit
-2.82 ~ 0.43 rad
Max Running Speed
>6m/s
Longest Jump Distance
>1.6m
Climbing Angle
>45°
Ditch Jumping Width
0.5~1.2m
Obstacle Crossing
Max 40cm
Continuous Stair Climbing
Stairs of 20~25cm
Maximum Standing Load
About 120kg
Continuous Walking Load
About 40kg
Battery Capacity
45Ah (2250Wh)
Battery Voltage
58V
Power Supply
13 string lithium battery
Battery Life
4-6h
Unloaded Walking Endurance
>5h, mileage >20km
20kg Load Walking Endurance
>4h, mileage >15km
Basic Computing
Intel Core i5/i7 CPU
Development Computing Unit Model
Jetson Orin NX
Development Computing Unit CPU
Arm Cortex-A78AE
Development Computing Unit CPU Cores
8
Development Computing Unit GPU
1024 NVIDIA Ampere Architecture GPUs with 32 Tensor Cores
Development Computing Unit Total Memory
16 GB
Development Computing Unit Storage
2 TB
Optional Expansion Computing
Intel Core i7 or Orin NX (up to 3 devices)
Sensing Sensor
Depth camera x2 + Optical camera x2
Connectivity
WiFi 6, Bluetooth 5.2
External Interface
1000M-Base-Ethernet×4, USB3.0×4, 12V×4, 5V×1, 24V×4, BAT×1
Operating Temperature
-20℃ ~ 55℃
IP67 Protection
YES
Extensions
Support for robotic arms, PTZ cameras, GNSS modules
Wheeled Foot
Optional
 

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