B2-W variant: The B2-W replaces the standard feet with wheeled units, enabling the robot to switch between legged and wheeled locomotion. All core specifications below apply to the standard B2 unless otherwise noted. The B2-W is available separately.
Body
Form factor
Four-legged quadruped; 12-DOF legged locomotion
Dimensions (standing)
≈ 1,098 × 450 × 645 mm (H × W × L)
Dimensions (prone)
≈ 880 × 460 × 330 mm
Weight
≈ 60 kg (battery included)
Peak joint torque
≈ 360 N·m
IP rating
IP67 (dustproof; submersion to 1 m)
Operating temperature
−20°C to 55°C
Motion & Terrain
Maximum running speed
>6 m/s
Continuous stair climbing
Stairs of 20–25 cm step height
Single-step climb
Up to 40 cm (forward direction, up and down)
Slope
>45°
Obstacle crossing
Up to 40 cm
Ditch jumping
0.5–1.2 m
Maximum jump distance
>1.6 m
Payload & Endurance
Standing load capacity
≥120 kg
Continuous walking load
>40 kg
Endurance (unloaded)
>5 hours / >20 km
Endurance (20 kg load)
>4 hours / >15 km
Power
Battery capacity
45 Ah / 2,250 Wh
Battery voltage
58 V
Sensors (Standard Configuration)
LiDAR
3D LiDAR ×1
Depth cameras
×2
Optical cameras
×2
Note
Sensor suite is configuration-dependent; contact Unitree for exact options
Compute
Platform processor
Intel Core i5
User development processor
Intel Core i7
Optional GPU compute
NVIDIA Jetson Orin NX (up to 3 units)
Interfaces
Ethernet
1000M-Base-Ethernet ×4
USB
USB 3.0 ×4
Power outputs
12 V ×4 / 5 V ×1 / 24 V ×4 / BAT ×1
Pricing & Availability
Price
From ~$29,500 (Unitree direct); reseller pricing varies
Disclaimer: Specifications are sourced from Unitree's official product pages and third-party technical reviews. Pricing is indicative and may vary by region, configuration, and distributor. Contact Unitree Robotics directly for confirmed pricing, configuration options, and lead times. Some content on this page was created with the assistance of AI tools.