Unitree A2-W Industrial Wheeled Quadruped Robot
Industrial Wheel-Leg Quadruped Unitree A2-W Series Heavy-load wheeled mobility, legged obstacle capability and an open industrial development platform. Shared Specifications These specifications apply to both Unitree A2-W and A2-W Pro. Specification A2-W Std and A2-W Pro Mechanical Design Standing Dimensions 900 × 440 × 625 mm Prone Dimensions 930 × 685 × 210 mm Tire Size 190 mm diameter × 51 mm width Construction Aluminum alloy and high-strength engineering plastic Weight Without Battery Approximately 45 kg Weight With Battery Approximately 52 kg Degrees of Freedom 16 motorized joints Joint Bearings Industrial-grade crossed roller bearings with high precision and high load capacity Joint Motors Low-inertia, high-speed inner-rotor permanent-magnet synchronous motors Maximum Joint Torque Approximately 180 N·m Joint Range of Motion Body: −58° to 58° Thigh: −134° to 180° / −89° to 225° Shank: −158° to −30° Power and Electronics Supply Voltage 50.4 V Battery System Dual battery slots with dual-battery support Battery Capacity Single battery: 9,000 mAh / 453.6 Wh Dual batteries: 18,000 mAh / 907.2 Wh Joint Encoders Dual encoders Cooling System Localized air cooling Wireless Connectivity Wi-Fi 6 and Bluetooth 5.2 Speaker ✓ Included Microphone Integrated microphone array Front Light ✓ Included Computing and Development Platform Computer 8-core high-performance CPU Development Computer Intel Core i7 External Interfaces RS485 × 2 CAN × 2 Gigabit Ethernet × 2 USB 3.0 Type-C for 8-core CPU × 2 USB 3.0 Type-C for Intel Core i7 × 2 Power Outputs 12 V, 24 V and battery-voltage outputs Secondary Development ✓ Supported Smart OTA Updates Continuous software upgrades supported Performance Operating Temperature −20°C to 55°C No-Load Endurance More than 3.5 hours of continuous travel or approximately 35 km Endurance With 25 kg Payload More than 1.5 hours of continuous travel or approximately 15 km Maximum Standing Payload Approximately 100 kg Continuous Walking Payload Approximately 25 kg; up to approximately 35 kg under ideal conditions Speed 0–3 m/s operating range; up to approximately 6 m/s Slope Capability Approximately 45° Maximum Step Height Approximately 30 cm Maximum Climbing Height Approximately 0.5–1 m Support Warranty 12 months A2-W vs. A2-W Pro A2-W Pro adds expanded perception, connectivity, computing and environmental protection. Feature A2-W A2-W Edu Enhanced LiDAR Configuration 1 × LiDAR 2 × LiDARs HD Camera 1 × HD camera 1 × HD camera Perception Coverage Single-LiDAR perception Front and rear dual-sided LiDAR perception Ingress Protection IP56 IP56–IP67, with core components rated IP67 High-Compute Expansion Dock Not listed Optional Wireless Vector-Follow Module Optional Included through expanded configuration GPS Optional Included through expanded configuration 4G Connectivity Optional Included through expanded configuration Recommended Applications Industrial mobility, logistics, inspection and general secondary development Advanced inspection, complex environments, autonomous applications and custom industry solutions Specifications are based on Unitree’s published product information and may vary by configuration, application and operating environment. Runtime, range, payload, speed and terrain performance are based on laboratory testing. Actual performance may vary. Optional and expanded features should be confirmed before ordering.