Walker S2
UBTECH Walker S2
UBTECH Walker S2 is a full-size biped humanoid robot made by UBTECH Robotics (China), announced 23 Jul 2025. It is sold by quote: no list price was published on the vendor channels checked on 20 Oct 2026. The highest evidence level is piloting (vendor page, ubtrobot.com, 13 Jul 2026); no delivery to customers is documented. The 8 specification values below are published figures.
Checked on ubtrobot.com
Prices and availability are collected from vendor pages and public sources on the date shown; they change without notice. Verify with the vendor before purchase. Details
SDK and simulation files
Public software the maker publishes for UBTECH Walker S2: description files that load it into simulators. Licence and level next to the other humanoids that publish files: open-source humanoid robots (simulation model published; licence OpenAtom Open Hardware Licence 0.4.3).
| Asset | Where | Source / checked |
|---|---|---|
| Robot description files (URDF / MJCF) | UBTECH-Robot/WalkerS2-Model | github.comCode 20 Oct 2026 |
Price and where to buy
| Channel | Configuration | Price | Status | Source / checked |
|---|---|---|---|---|
| Sales inquiry | — | Quotesold by quote | Enterprise quote | ubtrobot.comVendor 20 Oct 2026 |
Links go to the maker's own store or product page only.
Prices and availability are collected from vendor pages and public sources on the date shown; they change without notice. Verify with the vendor before purchase. Details
Specifications
| Spec | Value | Source / checked |
|---|---|---|
| Height | 1.76 mWalker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Weight | 70 kgWalker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Degrees of freedom | 52Walker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Hand DoF | 11Walker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Payload | 15 kgWalker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Walking speed | 2 m/sWalker S2 | ubtrobot.comVendor 20 Oct 2026 |
| Battery runtime | 2 hWalker S2 | 20 Oct 2026 |
| Charging time | 1.5 hWalker S2 | 20 Oct 2026 |
Values are the figures the source publishes, per configuration; configurations are never averaged. Units as published.
Status: from claim to delivery
- Claimed
- Demonstrated
- Piloting
- Shipped
Each level needs its own evidence; a pre-order or an announcement never counts as shipped. What each level requires.
| Date | Level | Evidence | Source / checked |
|---|---|---|---|
| 17 Nov 2025 | Claimed | “UBTECH has begun mass production and delivery of the first batch of several hundred full-size industrial humanoid robots, Walker S2”Vendor press release | prnewswire.comPress 20 Oct 2026 |
| 21 Jan 2026 | Piloting | Company statement · Airbus | 12 Oct 2026 |
| 16 Apr 2026 | Piloting | “Dort wird seit März 2026 der humanoide Roboter UBTech Walker S2 getestet.”Customer statement | 20 Oct 2026 |
| 13 Jul 2026 | Piloting | “By performing repetitive tasks—such as material handling and sorting—within authentic, dynamic warehouse environments, the Walker S2 has demonstrated the stability and viability”Vendor page | ubtrobot.comVendor 20 Oct 2026 |
| 20 Oct 2026 | Claimed | “UBTECH Walker S2 Humanoid Robot | Autonomous Battery Swapping for Mass Production Delivery”Vendor page | ubtrobot.comVendor 20 Oct 2026 |
Includes data from Humanoid Market 2026 (Loarte Susano, 2026) (CC BY 4.0) Details
Compare with similar robots
| Model | Height, cm | Weight, kg | DoF | Price | Availability | Evidence | Price source / checked |
|---|---|---|---|---|---|---|---|
| UBTECH Walker S2this page | 176 | 70 | 52 | Quoteno list price | Enterprise quote | Piloting | ubtrobot.comVendor 20 Oct 2026 |
| UBTECH Walker C1same maker | 164 | 55 | 53 | Quoteno list price | Enterprise quote | Demonstrated | ubtrobot.comVendor 20 Oct 2026 |
| UBTECH Walker Tienkungsame maker | 173 | 64 / 68 / 75 | 20 / 21 / 42 | Not published | No published price | Demonstrated | ubtrobot.comVendor 21 Oct 2026 |
| DroidUp Walker 02 | 170 | 32 | 30 | Quoteno list price | Enterprise quote | Piloting | droidup.comVendor 20 Oct 2026 |
| DroidUp Moya | 165 | 30 | 100 | Quoteno list price | Enterprise quote | Piloting | droidup.comVendor 20 Oct 2026 |
Height, weight and degrees of freedom are published figures; each card lists them by configuration with sources. All humanoid robots.
Maker
UBTECH Robotics
- Country
- China
- Headquarters
- Shenzhenubtrobot.comVendor20 Oct 2026
- Founded
- 2012ubtrobot.comVendor20 Oct 2026
- Humanoids here
- 9 models
- Alpha Mini
- Not published · No published price
- Cruzr S2
- Not published · No published price
- Walker Tienkung
- Not published · No published price
- UWORLD U1
- ¥119,800 · For sale
- Walker C1
- Quote · Enterprise quote
- Walker S1
- Quote · Enterprise quote
- Walker X
- Not published · No published price
- Yanshee
- Not published · No published price
Sources and checks
8 sources back the facts on this card. Each was opened on the date shown. Elsewhere on the card a fact checked on 3 Nov 2026, the build date, carries only the dot; an older check date is printed in full.
| Used for | Source / checked |
|---|---|
| Official page · Price · Price channel checked · Status evidence · Specs: height, weight, degrees of freedom, hand dof, payload, walking speed | |
| Announcement | |
| Status evidence | |
| Status evidence | |
| Status evidence | |
| Status evidence | |
| Specs: battery runtime, charging time | |
| Robot description files |
Includes data from Humanoid Market 2026 (Loarte Susano, 2026) (CC BY 4.0) Details
Includes data from humanoidrecord.com (CC BY 4.0) Details
How cards are verified: methodology · status levels. Found a newer price or a vendor datasheet? Report an error or write to hello@robopear.com.