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Unitree B2

Unitree's heavy-duty industrial quadruped, sealed to IP67 and able to carry over 40 kg while walking

The Unitree B2 is a 60 kg industrial robot dog that walks with more than 40 kg on board and runs for 4 to 6 hours. It is sealed to IP67 and works from -20 °C to 55 °C.

Walking load: > 40 kg
Dust and water protection: IP67
Battery life: 4 to 6 h
Joint torque: 360 N·m
Climbing angle: > 45°

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Guide price US$100,000 at Robots International. Excl. tax and shipping.

Photos: Robots International. View on their store

Overview

About the Unitree B2

The B2 is the largest quadruped in Unitree's range. It weighs about 60 kg with its battery and can carry more than 40 kg while walking or over 120 kg standing. Unloaded it walks for over 5 hours and more than 20 km. Its joints produce about 360 N·m of torque, enough to climb 40 cm steps and slopes over 45°. It carries a 3D LiDAR, two depth cameras and two optical cameras, with Intel i5 and i7 computers on board. The battery is a quick-change unit, and automatic charging is an option. For Irish utilities, industrial sites and emergency services, the B2 is built for heavy, outdoor and all-weather work.

Key features

Carries over 40 kg on the move

IP67 sealing for wet and dusty sites

3D LiDAR plus depth and optical cameras

Quick-change battery for long shifts

Room for up to three extra computers

Optional wheeled feet

Ideal for

Power and utility inspectionHeavy industry and manufacturing sitesEmergency response trialsMining and tunnellingAdvanced research groups

In practice

Where it earns its keep

Utility inspection

The B2 can carry heavy sensor payloads on long patrols around substations, pipelines or plants. IP67 sealing lets it keep working in rain and dust.

Hazardous areas

It can enter places that are unsafe for staff and send back camera and LiDAR data. It handles rubble, steps and steep ground.

Research platform

Multiple Ethernet and USB ports and extra computer bays suit teams building custom autonomy and sensing systems.

Official video

See it in action

Video: Unitree Robotics on YouTube

Specifications

Spec sheet

Figures for the Unitree B2, per unitree.com.

Dimensions (standing): About 1098 x 450 x 645 mm
Dimensions (lying): About 880 x 460 x 330 mm
Weight: About 60 kg with battery
Loads: 120 kg or more standing, over 40 kg walking
Endurance: Over 5 h and 20 km unloaded; over 4 h and 15 km with 20 kg
Battery: 45 Ah (2250 Wh), 58 V, quick-change; automatic charging optional
Joint torque: About 360 N·m
Stairs: Continuous 20 to 25 cm steps; 40 cm steps going forward
Slope: Over 45°
Sensors: 1 x 3D LiDAR, 2 x depth cameras, 2 x optical cameras
Computing: Intel Core i5 for platform, Intel Core i7 for user development; optional i7 or Orin NX
Ingress protection: IP67
Operating temperature: -20 °C to 55 °C
Interfaces: 4 x Gigabit Ethernet, 4 x USB 3.0, 12 V, 24 V and 5 V power outputs

Resources

Questions

Good to know

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