Unitree As2-W X Wheeled Quadruped Robot Dog
In stock
- BRAND:
- UNITREE ROBOTICS
- MODEL:
- AS2-W X
- ORIGIN:
- China
- Warranty:
- 12 MONTHS
- AVAILABILITY:
- SUBJECT TO AVAILABILITY
- SKU:
- Unitree-AS2-W-X
Unitree As2-W X Wheeled Quadruped Robot Dog
Most robots make you choose between the road and the staircase. The Unitree As2-W X Wheeled Quadruped Robot Dog treats that choice as a design flaw: each of its four articulated legs is paired with a powered wheel, so open ground becomes the easy part of the route and the obstacles become something it steps over rather than something it stops at.
The product is available through this page, by quotation.
Background
Unitree Robotics and the quadruped tradition
Unitree Robotics is a company best known for quadruped robots, the legged machines people usually call robot dogs. Over the years its platforms have become a common sight in university laboratories, engineering departments and field-testing programs, largely because they pair a capable mobile base with an open approach to software development.
The AS2 family continues in that direction. Rather than selling a closed, single-purpose machine, the company offers a mobile platform that a team can extend with its own computer, sensors and code. The wheeled AS2-W X is the member of the family built for covering ground quickly while keeping the ability to deal with uneven surfaces.
Why wheels on a legged robot?
A walking robot spends energy on every step, while a wheeled robot rolls efficiently but is stopped by a kerb. The AS2-W X combines four articulated legs with 7-inch powered wheels, which lets it roll over flat surfaces and use its legs when the ground becomes broken, stepped or steep.
That hybrid architecture is the key technology of the product. It allows the robot to negotiate steps up to 30 cm, obstacles from approximately 40 to 80 cm and slopes of around 45°, while reaching a maximum speed of approximately 6 m/s on suitable ground.
Technical Specifications
| Specification | Value |
|---|---|
| Locomotion | Four articulated legs with 7-inch powered wheels |
| Maximum speed | Approximately 6 m/s |
| Unloaded range | More than 30 km |
| Main processor | 8-core |
| Vision and sensing | HD camera; industrial-grade 64- to 128-line LiDAR |
| Steps | Up to 30 cm |
| Obstacles | Approximately 40 to 80 cm |
| Slopes | Around 45° |
| Continuous travel payload | Approximately 16 kg |
| Maximum stationary load | Approximately 150 kg |
| Battery | 15,000 mAh, stated capacity 648 Wh |
| Continuous operation | Approximately 3 hours |
| Runtime with 16 kg payload | Exceeds 2 hours |
| Charger | 50.4 V – 7.4 A fast charger, included |
| Materials | Aluminium alloy with high-strength engineering plastics |
| Maximum joint torque | Approximately 95 N·m, industrial-grade crossed roller bearings |
| Operating temperature | -20 to 55°C |
| Dimensions when standing | 721 × 493 × 521 mm |
| Weight with battery | Approximately 25 kg |
| Connectivity | Wi-Fi 6, Bluetooth 5.2, GPS and 4G |
| Expansion interfaces | Gigabit Ethernet, SBUS, battery power output |
| Software development | Unitree SDK and APIs |
| In the box | 1 × remote controller and the fast charger |
Specifications as published by the manufacturer; confirmed against the datasheet at quotation.
The manufacturer has not published the ingress protection test standard, the camera resolution, the LiDAR range, the onboard storage, the wheel motor power or the software update details; they are confirmed at quotation.
What makes the As2-W X different from the As2-W EDU?
The two wheeled versions share the same basic idea, and the difference lies in what comes with the robot. The AS2-W X is supplied without the high-performance computing expansion dock and without the charging station. The Unitree As2-W EDU Wheeled Quadruped Robot Dog includes both, and its dock is compatible with several modules.
For a buyer, this means the AS2-W X is the version for teams that already know what they will mount on the robot. Its Gigabit Ethernet and SBUS interfaces, together with the battery power output, make it possible to add an onboard computer, GPU, cameras or other sensors according to the project's requirements. You bring your own computing hardware and the robot supplies the mobility, the power and the connection points.
The figures in the table above belong to the AS2-W X. Where a project needs the dock and the station from the first day, the EDU version is the better starting point; where it does not, the X version avoids paying for equipment that would sit unused.
How does the As2-W X handle mixed terrain?
The robot is designed for routes that change character along the way. On a flat road or a paved yard, the powered wheels carry it at a speed of approximately 6 m/s, and an unloaded range of more than 30 km means a long route does not call for a recharge halfway. When the route meets a step, a bank or a ramp, the articulated legs take over: steps up to 30 cm, obstacles from approximately 40 to 80 cm and slopes of around 45° are within its stated capability.
Strength supports that behavior. The joints deliver a maximum torque of approximately 95 N·m and use industrial-grade crossed roller bearings, while the structure combines an aluminium alloy with high-strength engineering plastics. The robot weighs approximately 25 kg with its battery and stands 721 × 493 × 521 mm, which keeps it compact enough to move through ordinary working spaces.
Load matters as much as terrain. Continuous travel payload is approximately 16 kg, and with that payload the runtime exceeds 2 hours. When the robot is stationary, the platform can support a maximum load of approximately 150 kg. The two figures describe different situations and should not be mixed up when planning a payload.
Who is the As2-W X for?
Engineering and research teams are the clearest audience. The Unitree SDK and APIs let them integrate a computer, sensors and software suited to each project, and the open interfaces suit groups that want to build their own payload instead of adopting a fixed configuration.
Inspection and security operators form a second group. Sites with long distances and occasional obstacles, such as utility yards, ports, plants and large campuses, benefit from a robot that rolls quickly between points and steps over what lies between them. Connectivity through Wi-Fi 6, Bluetooth 5.2, GPS and 4G supports remote operation and location tracking.
Universities and training centers can use the platform for robotics teaching and field experiments. Those that want the computing dock and the charging station delivered with the robot should look at the As2-W EDU version instead.
What is the As2-W X used for?
- Site inspection. Patrol a route of more than 30 km unloaded, with an HD camera and LiDAR on board.
- Security rounds. Cover a perimeter by wheel and cross steps or slopes by leg without handing control to a person.
- Robotics research. Develop locomotion, navigation and perception software through the Unitree SDK and APIs.
- Sensor and payload carrying. Mount a computer, GPU, cameras or other sensors through the Ethernet, SBUS and power interfaces.
- Outdoor exploration. Work in temperatures from -20 to 55°C over mixed ground.
- Teaching and training. Give students a real mobile platform to program, test and extend.
Pricing and Availability
No price is printed on this page, because the configuration, the accessories and the destination all shape the offer. Request a quotation and we will answer with the details for your project. Delivery, customs and support are arranged together with the quotation. The Unitree As2-W X Wheeled Quadruped Robot Dog is available on this page.
Frequently Asked Questions
How fast does the As2-W X travel?
Its maximum speed is approximately 6 m/s, reached through the powered wheels. The unloaded range is more than 30 km.
How long does the battery last?
The 15,000 mAh battery, with a stated capacity of 648 Wh, provides approximately 3 hours of continuous operation. With a 16 kg payload, the runtime exceeds 2 hours.
What payload can it carry?
The continuous travel payload is approximately 16 kg. When stationary, the platform can support a maximum load of approximately 150 kg.
Can I add my own computer and sensors?
Yes. The Gigabit Ethernet and SBUS interfaces and the battery power output allow an onboard computer, GPU, cameras or other sensors to be added. The robot is compatible with the Unitree SDK and APIs.
What is not included compared with the As2-W EDU?
The high-performance computing expansion dock and the charging station are not included with the AS2-W X. Both are included with the AS2-W EDU. The X version does include a fast charger and one remote controller.
What obstacles can it climb?
It can negotiate steps up to 30 cm, obstacles from approximately 40 to 80 cm and slopes of around 45°. The temperature range for operation is -20 to 55°C.
Where can I buy the As2-W X and what does it cost?
You can order it through this page by requesting a quotation. The cost depends on the configuration and destination, so no price is listed; the quotation sets it out.
Summary
The As2-W X answers the old compromise between wheels and legs by using both. Powered wheels give it speed and range on easy ground, articulated legs give it steps, slopes and obstacles, and open interfaces let a team turn it into the exact tool a project needs. It arrives without the computing dock and the charging station, which suits buyers who bring their own hardware. For a quotation on the Unitree As2-W X Wheeled Quadruped Robot Dog, this page is the starting point.