Unitree As2-W

Wherever It Goes, Conquers Every TerrainCombining the high-speed of wheels with the obstacle-overcoming capability of legs, it automatically adapts to stairs, gravel, and steep slopes. Traverses complex terrain with ease, climbing obstacles up to 80 cm high and slopes up to 45°. Powerful Performanc

Powerful Performance, Long Endurance95 N·m industrial-grade joint modules, 7-inch oversized wheels, and a 648 Wh (15,000 mAh) battery. Maintains climbing performance under heavy load and No-load cruising range exceeds 30 km.

Autonomous Side-follow, Ready to Go with YouISS 3.0 Intelligent Side-follow System delivers centimeter-level positioning and stable tracking. Carry backpacks and supplies effortlessly for easier outdoor exploration.

Reliable and Robust, Even in Harsh ConditionsIndustrial-grade IP54 dust and water resistance withstands rain, dust, and wet terrain, delivering stable performance in harsh environments and ensuring reliable mission completion around the clock.

Performance Upgraded, Unlimited ApplicationsSupports a 150 TOPS high-performance expansion module for real-time on-device processing of massive data, ideal for security, inspection, and advanced applications.

Performance Upgraded, Unlimited Applications

Supports a 150 TOPS high-performance expansion module for real-time on-device processing of massive data,

ideal for security, inspection, and advanced applications.

Open Platform, Empowering InnovationDeveloper-friendly SDK and APIs support large AI models for embodied AI interaction and autonomous decision-making.

Open Platform, Empowering Innovation

Developer-friendly SDK and APIs support large AI models

for embodied AI interaction and autonomous decision-making.

Maximum Speed: Over 6m/s

Maximum Speed:

Over 6m/s

Peak Joint Torque: Approx. 95 N·m

Peak Joint Torque:

Approx. 95 N·m

Lightweight:Approx. 25 kg (with battery)

Lightweight:

Approx. 25 kg (with battery)

High Payload:Static 150 kg;Continuous walking payload approx. 16 kg

High Payload:

Static 150 kg;

Continuous walking payload approx. 16 kg

Obstacle Capability:80 cm steps;45° slopes

Obstacle Capability:

80 cm steps;

45° slopes

Long Endurance:Unloaded 3h+ (>33 km); Loaded > 2h (>16 km)

Long Endurance:

Unloaded 3h+ (>33 km);

Loaded > 2h (>16 km)

Unitree As2-W Parameter

ModelPrice（Tax and freight excluded）

Model

Price（Tax and freight excluded）

As2-W XContact Sales

As2-W X

Contact Sales

As2-W EDUCustom Industry SolutionsContact Sales

As2-W EDU

Custom Industry Solutions

Contact Sales

Size (Standing)721mm x 493mm x 521mm721mm x 493mm x 521mm

Size (Standing)

721mm x 493mm x 521mm

Size (Lying Prone)768mm x 602mm x 211mm768mm x 602mm x 211mm

Size (Lying Prone)

768mm x 602mm x 211mm

Tire Size7 Inches（Diameter：178mm； Radius：50mm）7 Inches（Diameter：178mm； Radius：50mm）

Tire Size

7 Inches（Diameter：178mm； Radius：50mm）

MaterialAluminum Alloy + High-Strength Engineering PlasticAluminum Alloy + High-Strength Engineering Plastic

Material

Aluminum Alloy + High-Strength Engineering Plastic

Weight (with Battery)Approx. 25 kgApprox. 25 kg

Weight (with Battery)

Approx. 25 kg

Degrees of Freedom (Joint Motors)1616

Degrees of Freedom (Joint Motors)

Joint BearingsIndustrial-grade crossed roller bearings(high precision, high load capacity)Industrial-grade crossed roller bearings(high precision, high load capacity)

Joint Bearings

Industrial-grade crossed roller bearings

(high precision, high load capacity)

Industrial-grade crossed roller bearings

(high precision, high load capacity)

Joint MotorsLow-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)

Joint Motors

Low-inertia, high-speed inner rotor PMSM

(enhanced response & heat dissipation)

Low-inertia, high-speed inner rotor PMSM

(enhanced response & heat dissipation)

Max Joint TorqueApprox. 95 N.mApprox. 95 N.m

Max Joint Torque

Approx. 95 N.m

Range of MotionBody: -45° ~ 45°Thigh: -115° ~ 200°Shank: -159° ~ -47 °Body: -45° ~ 45°Thigh: -115° ~ 200°Shank: -159° ~ -47 °

Range of Motion

Body: -45° ~ 45°

Thigh: -115° ~ 200°

Shank: -159° ~ -47 °

Body: -45° ~ 45°

Thigh: -115° ~ 200°

Shank: -159° ~ -47 °

Supply Voltage36V~50.4V36V~50.4V

Supply Voltage

36V~50.4V

Joint EncoderDual encodersDual encoders

Joint Encoder

Dual encoders

Cooling SystemLocal Air CoolingLocal Air Cooling

Cooling System

Local Air Cooling

Power SupplyLithium batteryLithium battery

Power Supply

Lithium battery

Wi-Fi 6, Bluetooth 5.2YESYES

Wi-Fi 6, Bluetooth 5.2

YES

SpeakerYESYES

Speaker

YES

MicrophoneYESYES

Microphone

YES

Front LightYESYES

Front Light

YES

ISS 3.0 Intelligent Side-follow SystemYESYES

ISS 3.0 Intelligent Side-follow System

YES

GPSYes (disabled by default; enabled with user authorization)Yes (disabled by default; enabled with user authorization)

GPS

Yes (disabled by default; enabled with user authorization)

4GYes (disabled by default; enabled with user authorization)Yes (disabled by default; enabled with user authorization)

Yes (disabled by default; enabled with user authorization)

HD CameraYesYes

HD Camera

Yes

Ultra-Wide-Angle LiDARIndustrial-grade 64~128-line LiDARIndustrial-grade 64~128-line LiDAR

Ultra-Wide-Angle LiDAR

Industrial-grade 64~128-line LiDAR

Computing Power8-Core high-performance CPU8-Core high-performance CPU

Computing Power

8-Core high-performance CPU

External InterfacesGigabit Ethernet x 1SBUS x 1Power Output：BATGigabit Ethernet x 1SBUS x 1Power Output：BAT

External Interfaces

Gigabit Ethernet x 1

SBUS x 1

Power Output：BAT

Gigabit Ethernet x 1

SBUS x 1

Power Output：BAT

Operating Temperature-20℃ ～ 55℃-20℃ ～ 55℃

Operating Temperature

-20℃ ～ 55℃

Battery Life(Unloaded)~3 hours continuous walking, approx. 30km~3 hours continuous walking, approx. 30km

Battery Life(Unloaded)

~3 hours continuous walking, approx. 30km

Battery Life(Loaded)With 16kg loaded, >2 hours continuous walking, approx. 25kmWith 16kg loaded, >2 hours continuous walking, approx. 25km

Battery Life(Loaded)

With 16kg loaded, >2 hours continuous walking, approx. 25km

Max Standing LoadApprox. 150kgApprox. 150kg

Max Standing Load

Approx. 150kg

Continuous Walking LoadApprox. 16kgApprox. 16kg

Continuous Walking Load

Approx. 16kg

Slope Walking CapabilityApprox. 45 °Approx. 45 °

Slope Walking Capability

Approx. 45 °

Stair Climbing Capability30cm30cm

Stair Climbing Capability

30cm

Max Climb HeightApprox. 0.4m ~ 0.8mApprox. 0.4m ~ 0.8m

Max Climb Height

Approx. 0.4m ~ 0.8m

Speed0~3.7m/s (Max Approx. 6m/s)0~3.7m/s (Max Approx. 6m/s)

Speed

0~3.7m/s (Max Approx. 6m/s)

Protection RatingIP54IP54

Protection Rating

IP54

Remote ControllerOptionalYES

Remote Controller

Optional

YES

Battery CapacityLong Range (15000mAh) x1Long Range (15000mAh) x1

Battery Capacity

Long Range (15000mAh) x1

ChargerFaat Charging（50.4V 7.4A）Faat Charging（50.4V 7.4A）

Charger

Faat Charging（50.4V 7.4A）

Charging Dock//

Charging Dock

High Computing Power Expansion Dock/Multiple brands and models availableOrin NX, etc.

High Computing Power Expansion Dock

Multiple brands and models available

Orin NX, etc.

Secondary DevelopmentSupportedSupported

Secondary Development

Supported

UniStore PlatformSupportedSupported

UniStore Platform

Supported

Smart OTA UpgradeContinuous UpgradesContinuous Upgrades

Smart OTA Upgrade

Continuous Upgrades

Warranty12 Months12 Months

Warranty

12 Months

[1]

The above data was obtained under laboratory conditions. Actual performance may vary based on usage conditions, so please refer to your actual experience.

[2]

For detailed functions, please refer to the Secondary Development Manual.

[3]

For detailed warranty terms, please refer to the Product Warranty Manual.

[4]

Only supported for mainland China version.

[5]

The above parameters may vary in different application scenarios and different configurations, please contact sales before purchasing.

[6]

This quadruped robot has a complex structure and powerful dynamics. Users must keep a safe distance from the robot at all times. Please use with caution.

[7]

The product appearance is subject to change. Please refer to the final product.

[8]

Some example features shown on this page are under development and testing, and will be made available to users gradually.

This product is a civilian robot. We kindly request that all users refrain from making any dangerous modifications or using the robot in a hazardous manner.

Please visit Unitree Robotics Website for more related terms and policies, and comply with local laws and regulations.