Unitree A2-W — Wheel Shadow, Speed Across the Field
The Unitree A2-W is the wheeled evolution of the A2 industrial quadruped — a heavy-load, high-efficiency wheel-drive platform that fuses the all-terrain stability of legs with the speed and endurance of wheels. Weighing approximately 52 kg, it walks continuously for over 3.5 hours and ~35 km unloaded, carries a ~25 kg continuous payload, climbs 45° slopes and 30 cm steps, and reaches speeds up to ~6 m/s. With hot-swappable dual batteries, dual-sided LiDAR perception, an open Intel Core i7 development platform and an IP56-rated body, the A2-W is built for industrial inspection, park logistics and emergency rescue across the most demanding environments.
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Heavy-Load Wheeled Paradigm — Speed Across the Field
The A2-W’s high-efficiency wheel-drive architecture combines serious payload capacity with genuine agility. On flat and paved surfaces it rolls fast and quiet; over rubble, kerbs and inclines it switches to legged stability without losing momentum. With a ~100 kg standing load, ~25 kg continuous walking payload (up to ~35 kg in ideal conditions) and speeds up to ~6 m/s, it is purpose-built for industrial inspection, park logistics and emergency rescue where time and terrain both matter.
Superior Adaptability — Complex Environments Handled with Ease
An all-new, high-quality mobile hardware platform with an open architecture makes the A2-W ready to use out of the box and fast to develop on. Its 16 degrees of freedom, industrial-grade crossed roller bearings and low-inertia high-speed inner-rotor PMSM joint motors deliver up to 180 N·m of peak torque — the power-to-weight needed to conquer rugged terrain, climb 30 cm steps and traverse 45° slopes while staying nimble and responsive in the field.
Dual-Sided Perception — Zero Blind Spots, Greater Accuracy
The A2-W PRO equips two industrial LiDARs — one front-facing, one rear-facing — alongside an HD camera and an integrated front light to read the environment ahead and behind, eliminating the blind spots single-sensor platforms leave behind. This 360-degree awareness enables safe autonomous navigation in crowded industrial spaces. The standard A2-W ships with one LiDAR and one HD camera, with GPS, 4G and a wireless vector-follow module available as options.
Open Industrial Platform — Rapid Secondary Development
The A2-W ships as a premium mobile hardware platform fully open for secondary development. An 8-core high-performance CPU handles platform operations while an onboard Intel Core i7 is dedicated entirely to user development — with an optional high-computing-power expansion dock on the PRO for demanding AI workloads. Interfaces including RS485 ×2, CAN ×2, Gigabit Ethernet ×2, USB3.0-TypeC ×4 and 12 V / 24 V / BAT power outputs let integrators attach custom sensors, arms or control systems without compromise.
Dual Battery Hot-Swap — Unlimited Runtime
The A2-W’s dual-battery parallel design lets one battery be swapped while the other keeps the robot running — eliminating downtime entirely. Each battery holds 9,000 mAh (453.6 Wh); running dual gives 18,000 mAh (907.2 Wh) for maximum endurance. A reliable triple power system guarantees stable operation from −20°C to 55°C, so the A2-W sustains continuous missions across the full range of Gulf climate conditions without unplanned stops.
Unitree A2-W vs A2-W PRO — Compare the Variants
| Specification | A2-W | A2-W PRO RECOMMENDED |
|---|---|---|
| Configuration | Standard wheeled platform | Custom industry solution |
| Size (standing) | 900 × 440 × 625 mm | |
| Size (lying prone) | 930 × 685 × 210 mm | |
| Tyre size | Ø190 mm × 51 mm width | |
| Weight (with battery) | ~52 kg | |
| Degrees of freedom | 16 | |
| Max joint torque | ~180 N·m | |
| Battery | Dual 18,000 mAh (907.2 Wh) • hot-swap | |
| Endurance (no load) | >3.5 h / ~35 km | |
| Endurance (25 kg load) | >1.5 h / ~15 km | |
| Max standing load | ~100 kg | |
| Continuous walking load | ~25 kg (up to ~35 kg) | |
| Max speed | 0–3 m/s (up to ~6 m/s) | |
| Slope / step | ~45° / 30 cm step | |
| Operating temperature | −20°C to 55°C | |
| ▲ LiDAR perception | 1 × LiDAR + HD camera | 2 × LiDAR (front & rear) + HD camera |
| ▲ GPS | Optional | Built-in (expanded) |
| ▲ 4G connectivity | Optional | Built-in (expanded) |
| ▲ Wireless vector-follow | Optional | Built-in (expanded) |
| ▲ Compute expansion | 8-core CPU + Intel Core i7 | + optional high-compute dock |
| ▲ Ingress protection | IP56 | IP56–IP67 (core IP67) |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, speaker, mic array, front light | |
| External interfaces | RS485 ×2, CAN ×2, GbE ×2, USB3.0-TypeC ×4, 12 V / 24 V / BAT | |
| OTA upgrades / Dev | Continuous OTA • secondary development supported | |
| Warranty | 12 months | |
