Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit

Unitree RoboticsSKU: RB-Unt-145
Manufacturer #: B2-W-NAV-KIT

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Description

Estimated Lead Time: Orders placed today are expected to ship within ~6 weeks.
  • Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit
  • Industrial-grade wheeled quadruped with legged walking, wheeled rolling, and hybrid locomotion mode switching
  • Traverses stairs, rock piles, steep slopes, grass, gravel, and rough mixed-terrain surfaces
  • 360 N.m joint torque with substantially stronger joint performance than prior-generation designs
  • IP67-rated enclosure for continuous operation in wet, dusty, and operation demanding outdoor field conditions
  • Integrated navigation kit adds autonomous path planning and onboard obstacle avoidance
  • Full ROS2 driver support and Unitree B2 SDK with over-the-air software update capability

Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit is an industrial-grade wheeled quadruped robot from Unitree Robotics, engineered for continuous deployment across variable terrain in real-world field environments. It combines legged walking with wheeled rolling in a single frame, allowing it to transition between locomotion modes based on the ground conditions encountered. As the navigation kit variant of the B2-W line, this configuration ships with an integrated nav kit that extends the platform into autonomous path planning and obstacle avoidance, enabling unsupervised mission execution beyond what teleoperation alone can support. The B2-W Nav Kit addresses industrial inspection, emergency response, field research, and other deployments where terrain unpredictability and operational independence are simultaneous requirements.

Environmental awareness is built on infrared-based three-dimensional mapping combined with a multi-sensor perceptual and motor control approach, giving the platform a real-time understanding of its surroundings for both navigation planning and dynamic balance correction. Operators can deploy fully autonomous missions through the navigation kit or retain direct teleoperation for supervised tasks, depending on the operational context. Multi-joint synergistic stabilization responds to discrete terrain transitions rapidly, maintaining platform stability even when the robot switches between legged and wheeled modes mid-route. Developers access the full ecosystem through ROS2 drivers and the Unitree B2 SDK, with continuous over-the-air updates keeping software current without manual intervention. The platform is designed for research institutions, industrial operators, and field robotics teams that require a robust, extensible autonomous quadruped robot with a demonstrated commercial deployment record.

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Documentation & Resources

Full access to detailed technical guides and a comprehensive knowledge base

 
 
Joint Torque
360 N.m
Ingress Protection
IP67
Max Speed
15 km/h
LiDAR Range
100 m
Unloaded Mileage
~30 km
Model Features
An overview of the B2-W Nav Kit across three key areas: mobility, sensing, and developer ecosystem.
Capabilities

Four core platform capabilities that define the B2-W Nav Kit's value in autonomous field deployment.

Autonomous Navigation

The integrated Nav Kit equips the B2-W with onboard path planning and obstacle avoidance for unsupervised mission execution.

ROS2 & SDK Integration

Full ROS2 driver support and the Unitree B2 SDK allow developers to build, extend, and simulate custom applications.

Sensor Fusion & 3D Mapping

Infrared-based 3D mapping combined with multi-sensor fusion gives the B2-W a detailed, real-time understanding of its surroundings.

IP67 Field Durability

An IP67 ingress protection rating ensures the B2-W Nav Kit can operate continuously in dusty, wet, and harsh outdoor conditions.

Use Cases & Application Scenarios
Real-world deployments where the B2-W Nav Kit's autonomous mobility and all-terrain capability create operational value.
Power Infrastructure Inspection
The B2-W Nav Kit autonomously navigates power infrastructure facilities, blending wheeled speed on flat service roads with legged walking for complex terrain transitions. Its integrated navigation stack enables repeatable, scheduled inspection runs across large industrial sites without operator intervention.
Emergency & Rescue Operations
In emergency response scenarios, the B2-W Nav Kit provides a rapidly deployable scouting platform — rolling at speed toward the incident then switching to legged walking across rubble or unstable terrain. Its navigation stack enables semi-autonomous operation in environments that limit direct operator proximity.
Industrial Site Inspection
Industrial facilities deploy the B2-W Nav Kit for autonomous inspection cycles spanning both smooth interior floors and rough outdoor areas. The robot transitions between wheeled and legged modes as terrain demands, executing pre-defined routes and reporting data without a dedicated operator.
Security & Perimeter Patrol
The B2-W Nav Kit runs autonomous security patrol schedules across mixed environments — rolling efficiently along perimeter roads and transitioning to legged walking for stairs and uneven access areas. Pre-programmed routes and real-time obstacle avoidance enable unattended patrol coverage across large facility footprints.
Key Components
Locomotion Modes
Legged walking + wheeled rolling, hybrid switching
Joint Actuator
360 N·m peak torque, 12 DOF
Payload Capacity
40 kg continuous, 120 kg standing
Battery Pack
>2 kWh, 58V, 4–6 h runtime
IP67 Sealing
Dust-tight & waterproof
Navigation LiDAR
RS-Helios 5515, up to 100 m range
Autonomy Stack
Onboard SLAM, mapping & path planning
Max Speed
15 km/h in wheeled mode
Main Computing
Intel Core i7 / Jetson Orin NX
Perception Sensors
2× depth + 2× optical cameras
Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit

Model: B2-W-NAV-KIT

Included With This Configuration
Navigation Kit
Not included on the standard B2-W. Available only with this configuration.

The Navigation Kit is a hardware and software add-on that turns the B2-W into a fully autonomous platform. Rather than simply adding a sensor, the kit integrates a dedicated LiDAR, its own navigation compute unit, and an onboard autonomy software stack that handles localization, mapping, and route execution without requiring constant operator input.

The result is a robot capable of executing pre-defined or dynamically planned missions across complex terrain, building a real-time 3D map of its surroundings, and detecting and routing around obstacles, all without human guidance.

What’s in the Kit
 
RS-Helios 5515 LiDAR
RoboSense 32-channel rotating LiDAR, 360° horizontal FOV, up to 100 m range
 
Navigation Compute Unit
Dedicated onboard processor running the autonomy and SLAM software stack
 
Autonomy Software Stack
Path planning, obstacle avoidance, real-time map building, and mission execution
What the Nav Kit Enables
 
Autonomous mission execution
 
Real-time 3D mapping (SLAM)
 
360° obstacle detection & avoidance
 
Dynamic route planning
Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit

Model: B2-W-NAV-KIT

Size (Standing)
Size (Lying Prone)
Weight
Wheel Diameter

Values shown are from the manufacturer's reference.

Unitree B2-W Wheeled Industrial-Grade Quadruped Robot Dog w/ Nav Kit

Model: B2-W-NAV-KIT

Size (Standing)
≈ 1098mm×550mm×758mm
Size (Lying Prone)
≈ 950mm×550mm×450mm
Weight
≈85kg Total weight (battery included)
Wheel Diameter
225mm
Materials
Aluminum alloy and engineering plastic
Battery Capacity
>2kWh, voltage 58V
Battery Life
4-6h
Maximum Speed
15km/h
Maximum Endurance
25km with 40kg load; ≈30km without load
Maximum Load (Standing)
120kg
Load (Walking)
> 40kg
Maximum Wheel Speed
50rad/s
Maximum Wheel Torque
40 N.m
Maximum Joint Torque
About 360N.m
Maximum Jump Distance
>1.6m
Ditch Jumping Width
0.5~1.2m
Continuous Stair Climbing
Stairs of 20~25cm
Climbing Ability
Climb up and down stairs of 40cm in forward direction
Climbing Angle
> 45°
Operating Temperature
-20℃ ~ 55℃
Ingress Protection
IP67
Standard Configuration
Intel Core i5 (Platform Function), Intel Core i7 (User Development)
Optional Configuration
Multiple brands and models available, Intel Core i7 or Orin NX (Maximum up to 3 devices)
Sensors
3D LiDAR ×1 + Depth camera ×2 + Optical camera ×2
Ethernet
1000M-Base-Ethernet×4
USB
USB3.0×4
Power Outputs
12V×4, 5V×1, 24V×4, BAT×1
OTA Upgrade System
Yes
Manual Controller
Yes
Intelligent Detection/Avoidance
Yes
Z1 Arm Compatible
Yes
Wireless Self Charging Pad Compatible
Yes (pad sold separately)

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