UNITREE · Quadruped robots
Unitree A2-W
Terrain speed, beyond the reach of wheels
Continuous OTA software upgrades and updates. A wheeled quadruped platform designed for speed on rough terrain.
Industrial-grade mobile platform / Exceptional adaptability
A high-efficiency wheel-drive architecture combining load capacity with agile movement, designed for tasks such as industrial inspection, park logistics, and emergency rescue. The open-architecture mobile hardware platform aims to support rapid development and deployment.
Industrial-grade mobile platform
The wheel-drive architecture combines load capacity with agility.
Exceptional adaptability
Open-architecture hardware platform; designed for rapid development and efficient deployment.
Dual-direction sensing / Fewer blind spots, greater accuracy
Two industrial LiDAR units at the front and rear, an HD camera, and a front light help perceive the surroundings.
Dual-battery system
Hot-swappable dual batteries are intended to enable uninterrupted changes during missions. The parallel battery design allows the mission to continue without stopping while a battery is replaced. The manufacturer states an operating temperature range of −20 °C to 55 °C.
Models
The manufacturer presents the A2-W and A2-W PRO options for comparison. The appropriate configuration should be assessed according to the application's requirements.
Standard model; verify optional equipment according to the configuration.
A2-W
Standard model; verify optional equipment according to the configuration.
The manufacturer's table lists some extended sensor/connectivity features.
A2-W PRO
The manufacturer's table lists some extended sensor/connectivity features.
Technical specifications
Comparative values provided by the manufacturer for A2-W and A2-W PRO. Actual performance may vary depending on operating conditions and configuration.
| Dimensions (standing) | 900 × 440 × 625 mm (both models) |
|---|---|
| Dimensions (lying position) | 930 × 685 × 210 mm (both models) |
| Wheel dimensions | Diameter 190 mm; width 51 mm |
| Material | Aluminum alloy + high-strength engineering plastic |
| Weight | Approximately 45 kg without battery; approximately 52 kg with battery |
| Joint motor degrees of freedom | 16 |
| Joint bearings | Industrial crossed roller bearingsHigh precision and load capacity are manufacturer descriptions. |
| Joint motors | Low-inertia, high-speed inner-rotor PMSM |
| Maximum joint torque | Approximately 180 N·m |
| Range of motion | Body −58°–58°; thigh −134°–180° / −89°–225°; lower leg −158°–−30° |
| Supply voltage | 50,4 V |
| Encoder / cooling | Dual encoders / localized air cooling |
| Power and battery | Dual slots/dual batteries; single battery 9000 mAh (453,6 Wh), dual 18000 mAh (907,2 Wh) |
| Wireless connectivity | Wi‑Fi 6, Bluetooth 5.2 |
| Speaker, microphone, front light | Speaker included; microphone array; front light included |
| Vector tracking / GPS / 4G | A2-W: optional; A2-W PRO: expanded |
| Sensor | A2-W: 1 LiDAR + 1 HD camera; PRO: 2 LiDAR + 1 HD camera |
| Processing and computing | Standard: 8-core high-performance platform CPU + Intel Core i7 for user development; high-computing-power expansion slot optional |
| External interfaces | 2×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; 12 V / 24 V / BAT output |
| Operating temperature | −20 °C–55 °C |
| Battery life and range | Unloaded >3,5 hours and approximately 35 km; with a 25 kg load >1,5 hours and approximately 15 kmLaboratory data; may vary depending on conditions. |
| Maximum standing load | Approximately 100 kg |
| Continuous walking load | Approximately 25 kg; can reach approximately 35 kg under ideal conditions |
| Slope / step / climbing | Approximately 45° slope; maximum step 30 cm; climbing height approximately 0,5–1 m |
| Speed | 0–3 m/s; up to approximately 6 m/s |
| Protection rating | A2-W IP56; PRO IP56–IP67 (core components IP67)Manufacturer comparison table. |
| OTA / secondary development / warranty | Continuous OTA updates; secondary development supported; 12-month warranty in the manufacturer's tableThe warranty is stated by the manufacturer and is not a seller commitment. |
The table has four groups: mechanical parameters, electrical specifications, performance metrics, and other. Values are stated by the manufacturer.
Usage and safety notes
The manufacturer states that the values were obtained under laboratory conditions and that performance may vary depending on usage. For details, the manufacturer's relevant development and product guides are referenced; parameters may vary depending on the application and configuration. Due to the robot's complex and dynamic nature, maintain a safe distance, avoid hazardous modifications and use, and comply with local regulations. Some example features are in the development/testing phase; the product appearance may change.
Manufacturer warranty and sales statements are not commitments by Robotik Çözümler.
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