A2-W Standard: Wheel-Leg Hybrid Quadruped for Extended Range and Dynamic Mobility
The A2-W Standard is a wheel-leg hybrid version of Unitree’s A2 quadruped platform, designed for superior endurance, speed, and terrain versatility. Combining the agility of legged motion with the efficiency of wheel-assisted travel, the A2-W Standard delivers extended range and high payload performance for industrial, research, and field robotics applications.
Powered by an 8-core high-performance CPU and optional Intel Core i7 computing module, it supports both high- and low-level development while maintaining full compatibility with Unitree’s intelligent control and sensing ecosystem. The dual-battery system provides hours of continuous operation, while advanced LiDAR and camera sensors ensure precise perception and navigation.
Key Features of the A2-W Standard
Wheel-Leg Hybrid Mobility: Integrates powered wheels on each limb, allowing seamless transitions between legged locomotion and wheeled travel for greater speed and energy efficiency.
Extended Endurance: Operates up to 4–5 hours unloaded (≈ 20 km range) or 2.5–3 hours with a 25 kg payload, maintaining stability and terrain adaptability.
High Load Capacity: Supports 20–25 kg effective payload while maintaining agile performance and balance during motion and manipulation tasks.
Dual-Battery Power System: Includes 9,000 mAh batteries (dual = 18,000 mAh / 907.2 Wh) with 1-hour charge time, supporting long-duration deployments and hot-swap operation.
Rugged Performance: Operates in temperatures from -20 °C to 55 °C, climbs stairs up to 28 cm, single steps up to 90 cm, and slopes up to 45°.
Advanced Sensing and Vision: Equipped with 1 LiDAR and a wide-angle camera (expandable to 2) for real-time obstacle avoidance, mapping, and situational awareness.
Industrial-Grade Control: Powered by a dual-processor system (8-core CPU + Intel Core i7) with dual encoders and high-speed, low-inertia rotor motors for smooth, precise movement.
Developer-Ready Ecosystem: Supports Isaac SIM and high/low-level secondary development with robust API access and modular external interfaces.
Technical Specifications
Configuration: Wheel-leg hybrid quadruped
Payload Capacity: 20–25 kg
Runtime & Range: Unloaded: 4–5 hours (≈ 20 km) Loaded (25 kg): 2.5–3 hours (≈ 12.5 km)
Battery: Single: 9,000 mAh (453.6 Wh) Dual: 18,000 mAh (907.2 Wh) Charge Time: ≈ 1 hour
Operating Temperature: -20 °C to 55 °C
Mobility: Max Slope: 45° Stair Height: 28 cm Step Height: 90 cm
Computing Power: 8-core CPU + Intel Core i7 (dual-compute system)
Sensors: 1 LiDAR 1 wide-angle camera (expandable to 2)
Connectivity: Wi-Fi 6 Bluetooth 5.2 RS485 ×2 | CAN ×2 | Gigabit Ethernet ×2 | USB 3.0 Type-C ×4 Power Outputs: 12 V / 24 V / BAT
Additional Features: Speaker, microphone, lighting lamp Intelligent OTA upgrade Stable obstacle avoidance, point-cloud surround view, autonomous charging (optional)
Warranty: 1-year limited warranty
The A2-W Standard delivers a perfect balance of speed, stability, and endurance—offering long-range, high-efficiency performance for inspection, mapping, logistics, and robotics research in both indoor and outdoor environments.
Unitree A2-W Standard Quadruped Robot Dog with Wheels
The A2-W Standard is a wheel-leg hybrid version of Unitree’s A2 quadruped platform, designed for superior endurance, speed, and terrain versatility. Combining the agility of legged motion with the efficiency of wheel-assisted travel, the A2-W Standard delivers extended range and high payload performance for industrial, research, and field robotics applications.
Full Description
A2-W Standard: Wheel-Leg Hybrid Quadruped for Extended Range and Dynamic Mobility
The A2-W Standard is a wheel-leg hybrid version of Unitree’s A2 quadruped platform, designed for superior endurance, speed, and terrain versatility. Combining the agility of legged motion with the efficiency of wheel-assisted travel, the A2-W Standard delivers extended range and high payload performance for industrial, research, and field robotics applications.
Powered by an 8-core high-performance CPU and optional Intel Core i7 computing module, it supports both high- and low-level development while maintaining full compatibility with Unitree’s intelligent control and sensing ecosystem. The dual-battery system provides hours of continuous operation, while advanced LiDAR and camera sensors ensure precise perception and navigation.
Key Features of the A2-W Standard
Wheel-Leg Hybrid Mobility: Integrates powered wheels on each limb, allowing seamless transitions between legged locomotion and wheeled travel for greater speed and energy efficiency.
Extended Endurance: Operates up to 4–5 hours unloaded (≈ 20 km range) or 2.5–3 hours with a 25 kg payload, maintaining stability and terrain adaptability.
High Load Capacity: Supports 20–25 kg effective payload while maintaining agile performance and balance during motion and manipulation tasks.
Dual-Battery Power System: Includes 9,000 mAh batteries (dual = 18,000 mAh / 907.2 Wh) with 1-hour charge time, supporting long-duration deployments and hot-swap operation.
Rugged Performance: Operates in temperatures from -20 °C to 55 °C, climbs stairs up to 28 cm, single steps up to 90 cm, and slopes up to 45°.
Advanced Sensing and Vision: Equipped with 1 LiDAR and a wide-angle camera (expandable to 2) for real-time obstacle avoidance, mapping, and situational awareness.
Industrial-Grade Control: Powered by a dual-processor system (8-core CPU + Intel Core i7) with dual encoders and high-speed, low-inertia rotor motors for smooth, precise movement.
Developer-Ready Ecosystem: Supports Isaac SIM and high/low-level secondary development with robust API access and modular external interfaces.
Technical Specifications
Configuration: Wheel-leg hybrid quadruped
Payload Capacity: 20–25 kg
Runtime & Range: Unloaded: 4–5 hours (≈ 20 km) Loaded (25 kg): 2.5–3 hours (≈ 12.5 km)
Battery: Single: 9,000 mAh (453.6 Wh) Dual: 18,000 mAh (907.2 Wh) Charge Time: ≈ 1 hour
Operating Temperature: -20 °C to 55 °C
Mobility: Max Slope: 45° Stair Height: 28 cm Step Height: 90 cm
Computing Power: 8-core CPU + Intel Core i7 (dual-compute system)
Sensors: 1 LiDAR 1 wide-angle camera (expandable to 2)
Connectivity: Wi-Fi 6 Bluetooth 5.2 RS485 ×2 | CAN ×2 | Gigabit Ethernet ×2 | USB 3.0 Type-C ×4 Power Outputs: 12 V / 24 V / BAT
Additional Features: Speaker, microphone, lighting lamp Intelligent OTA upgrade Stable obstacle avoidance, point-cloud surround view, autonomous charging (optional)
Warranty: 1-year limited warranty
The A2-W Standard delivers a perfect balance of speed, stability, and endurance—offering long-range, high-efficiency performance for inspection, mapping, logistics, and robotics research in both indoor and outdoor environments.
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A2-W Standard Specifications
Computing
Main CPU: Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development) High Computing Power Module: Not-Supported
Secondary Development Support: Supported
Hardware
Chassis & Frame
• Dimensions L x W x H (Standing): 820mm x 440mm x 570mm
• Dimensions (Crouching): 720mm x 550mm x 220mm
• Weight (with Battery): 37 kg
• Materials: Aluminum alloy and high-strength engineering plastic
• Front Light: Included
• 7 inch Pneumatic Wheels: Included
Battery
• Battery Capacity: Single Battery 9000mAh (453.6Wh Dual Batteries 18000mA (907.2Wh）
• Power Output: 12V / 24V / BAT
• Supply Voltage: 50.4V
• Battery Life: No Load: 4-5 hours continuous walking, approx. 20km With 25kg Load: 2-3 hours continuous walking, approx. 12.5km
Performance
May Standing Load: ~100kg
Continuous Walking Load: ~25kg
Speed: 0–3.7 m/s (Up to ~5 m/s)
Max Climb Height: 0.5～1m
Max Step Height: 30 cm
Max Slope: 45°
Operating Temperature: -20℃～55℃
Mechanical
Joint Motor
• Max Joint Torque: 180 N·m
• Degrees of Freedom: 12
• Aluminium Knee Joint Motors: 12 set
• Joint Bearings: Industrial-grade crossed roller bearings (high precision, high load capacity)
• Joint Motors: Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)
• Joint Encoder: Dual encoders
Rotation Ranges
• Body Rotation: -58~58°
• Thigh Rotation: 134°~180°/-89°~225°
• Shank Rotation: -158°~-30°
Cameras & Sensors
• 3D LiDAR: Industrial-grade LiDAR (1x)
• Front Camera: HD Camera (1x)
Audio & Connectivity
• Wi-Fi: Wi-Fi 6
• Bluetooth: Bluetooth 5.2
• 4G Module: Optional
• GPS: Optional
• Wireless Vector Positioning Tracking Module: Optional
• Microphone: Microphone array
• Built-in Speaker: Included
• Voice Function: Supported
External Interfaces:
• RS485 x 2
• CAN x 2
• Gigabit Ethernet x 2
• USB3.0-TypeC (8-Core CPU) x 2
• USB3.0-TypeC (Intel Core i7) x 2
Features
• OTA Upgrade System: Supported
• RTT 2.0 Picture Transmission: Supported
• Ingress Protection Rating: IP56
• Replace Wheel-leg: Optional
• Warranty: 12 Months
• Cooling System: Local air Cooling
What's Included:
A2-W Standard Quadruped
Remote Control
A2 Battery (1x)
12 Month Warranty
Key Features
Speak to an expert
Conquer Any Climb
The Unitree A2 Quadruped demonstrates exceptional climbing ability, scaling steep slopes and rugged rock faces with ease. Engineered for 45° gradients and 30 cm stairs, it delivers unmatched stability and precision on challenging terrain.
High-Speed Mobility with Total Control
Watch the A2 maintain balance and traction while running downhill at top speed. Reaching up to 5 m/s, it combines powerful locomotion with intelligent control for agile, all-terrain navigation.
Power Meets Endurance
Built for industrial payloads, the A2 carries up to 25 kg with steady, efficient movement. Its optimized motors and sensors enable long-range transport and inspection over 12 km on a single run.
Extended Power for Continuous Operation
The A2’s dual-battery system delivers 3–5 hours of runtime and rapid 1-hour charging. Hot-swap capability keeps missions running continuously, from field automation to long-form research projects.
How it works
Or speak to an expert
Place Your Order
Order directly through our website or use the form below to connect with a product expert first. Delivery timelines depend on model availability, but we ship as quickly as possible — and we’ll keep you updated every step of the way.
Setup & Configuration
Every robot is different. Depending on your selected model and accessories, configuration can be plug-and-play or require a tailored setup. We offer optional demos, consultations, and ongoing support to ensure you’re up and running with confidence.
Get up and GO
Once set up, your robot is ready to roll. Preloaded actions make it easy to get started, while manual controls and custom routines let you push the limits of what’s possible.
A2-W Standard: Wheel-Leg Hybrid Quadruped for Extended Range and Dynamic Mobility
The A2-W Standard is a wheel-leg hybrid version of Unitree’s A2 quadruped platform, designed for superior endurance, speed, and terrain versatility. Combining the agility of legged motion with the efficiency of wheel-assisted travel, the A2-W Standard delivers extended range and high payload performance for industrial, research, and field robotics applications.
Powered by an 8-core high-performance CPU and optional Intel Core i7 computing module, it supports both high- and low-level development while maintaining full compatibility with Unitree’s intelligent control and sensing ecosystem. The dual-battery system provides hours of continuous operation, while advanced LiDAR and camera sensors ensure precise perception and navigation.
Key Features of the A2-W Standard
Wheel-Leg Hybrid Mobility: Integrates powered wheels on each limb, allowing seamless transitions between legged locomotion and wheeled travel for greater speed and energy efficiency.
Extended Endurance: Operates up to 4–5 hours unloaded (≈ 20 km range) or 2.5–3 hours with a 25 kg payload, maintaining stability and terrain adaptability.
High Load Capacity: Supports 20–25 kg effective payload while maintaining agile performance and balance during motion and manipulation tasks.
Dual-Battery Power System: Includes 9,000 mAh batteries (dual = 18,000 mAh / 907.2 Wh) with 1-hour charge time, supporting long-duration deployments and hot-swap operation.
Rugged Performance: Operates in temperatures from -20 °C to 55 °C, climbs stairs up to 28 cm, single steps up to 90 cm, and slopes up to 45°.
Advanced Sensing and Vision: Equipped with 1 LiDAR and a wide-angle camera (expandable to 2) for real-time obstacle avoidance, mapping, and situational awareness.
Industrial-Grade Control: Powered by a dual-processor system (8-core CPU + Intel Core i7) with dual encoders and high-speed, low-inertia rotor motors for smooth, precise movement.
Developer-Ready Ecosystem: Supports Isaac SIM and high/low-level secondary development with robust API access and modular external interfaces.
Technical Specifications
Configuration: Wheel-leg hybrid quadruped
Payload Capacity: 20–25 kg
Runtime & Range: Unloaded: 4–5 hours (≈ 20 km) Loaded (25 kg): 2.5–3 hours (≈ 12.5 km)
Battery: Single: 9,000 mAh (453.6 Wh) Dual: 18,000 mAh (907.2 Wh) Charge Time: ≈ 1 hour
Operating Temperature: -20 °C to 55 °C
Mobility: Max Slope: 45° Stair Height: 28 cm Step Height: 90 cm
Computing Power: 8-core CPU + Intel Core i7 (dual-compute system)
Sensors: 1 LiDAR 1 wide-angle camera (expandable to 2)
Connectivity: Wi-Fi 6 Bluetooth 5.2 RS485 ×2 | CAN ×2 | Gigabit Ethernet ×2 | USB 3.0 Type-C ×4 Power Outputs: 12 V / 24 V / BAT
The A2-W Standard delivers a perfect balance of speed, stability, and endurance—offering long-range, high-efficiency performance for inspection, mapping, logistics, and robotics research in both indoor and outdoor environments.
A2-W Standard Specifications
Computing
Main CPU: Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development)
High Computing Power Module: Not-Supported
Secondary Development Support: Supported
Hardware
Chassis & Frame
Dimensions L x W x H (Standing): 820mm x 440mm x 570mm
Dimensions (Crouching): 720mm x 550mm x 220mm
Weight (with Battery): 37 kg
Materials: Aluminum alloy and high-strength engineering plastic
Front Light: Included
7 inch Pneumatic Wheels: Included
Battery
Battery Capacity: Single Battery 9000mAh (453.6Wh Dual Batteries 18000mA (907.2Wh）
Power Output: 12V / 24V / BAT
Supply Voltage: 50.4V
Battery Life: No Load: 4-5 hours continuous walking, approx. 20km With 25kg Load: 2-3 hours continuous walking, approx. 12.5km
The Unitree A2 Quadruped demonstrates exceptional climbing ability, scaling steep slopes and rugged rock faces with ease. Engineered for 45° gradients and 30 cm stairs, it delivers unmatched stability and precision on challenging terrain.
High-Speed Mobility with Total Control
Watch the A2 maintain balance and traction while running downhill at top speed. Reaching up to 5 m/s, it combines powerful locomotion with intelligent control for agile, all-terrain navigation.
Power Meets Endurance
Built for industrial payloads, the A2 carries up to 25 kg with steady, efficient movement. Its optimized motors and sensors enable long-range transport and inspection over 12 km on a single run.
Extended Power for Continuous Operation
The A2’s dual-battery system delivers 3–5 hours of runtime and rapid 1-hour charging. Hot-swap capability keeps missions running continuously, from field automation to long-form research projects.
Order directly through our website or use the form below to connect with a product expert first. Delivery timelines depend on model availability, but we ship as quickly as possible — and we’ll keep you updated every step of the way.
Setup & Configuration
Every robot is different. Depending on your selected model and accessories, configuration can be plug-and-play or require a tailored setup. We offer optional demos, consultations, and ongoing support to ensure you’re up and running with confidence.
Get up and GO
Once set up, your robot is ready to roll. Preloaded actions make it easy to get started, while manual controls and custom routines let you push the limits of what’s possible.
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