EngineAI Robotics PM01 vs UBTech Robotics Walker S2

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humanoidrecord.com, "EngineAI Robotics PM01 vs UBTech Robotics Walker S2", page snapshot 2026-11-03, https://humanoidrecord.com/compare/engineai-pm01-vs-ubtech-walker-s2/

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Dataset date: 2026-11-03

175 cmhuman

138 cm²EngineAI Robotics PM01

176 cm⁴UBTech Robotics Walker S2

Height to scale. Width is schematic, derived from weight; not a measured body width.

claimed → demonstrated
demonstrated
first delivery recorded

Evidence sheet

Only differences Showing all 20 rows

Evidence sheet, scrolls horizontally below 900px
Property	EngineAI Robotics PM01	UBTech Robotics Walker S2	Difference
Height (cm)	138 cm² Not reviewed The cited source has not been reviewed for this specific claim.	176 cm⁴ Not reviewed The cited source has not been reviewed for this specific claim.	+38 cm
Weight (kg)	40 kg⁵ Not reviewed The cited source has not been reviewed for this specific claim.	sources disagree	unknown on one side
Degrees of freedom	24⁶ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Official source (published by the subject or manufacturer)	52⁷ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	+28 DoF
Walking speed (km/h)	7.2 km/h⁸ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Payload (kg)	no sourced value	15 kg³ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Battery runtime (min)	120 min¹ Not reviewed The cited source has not been reviewed for this specific claim.	sources disagree	unknown on one side
Hands	no sourced value	no sourced value	no sourced value
Actuator torque (Nm)	164 Nm⁹ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Official source (published by the subject or manufacturer)	no sourced value	unknown on one side
Battery (Wh)	no sourced value	sources disagree	no sourced value
Battery swappable	yes¹⁰ Not reviewed The cited source has not been reviewed for this specific claim.	yes¹¹ Not reviewed The cited source has not been reviewed for this specific claim.	—
Locomotion	bipedal¹² Not reviewed The cited source has not been reviewed for this specific claim.	sources disagree	unknown on one side
SDK / ROS	no sourced value	no sourced value	no sourced value
Simulation	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Only a PM01 Edu model was found; equivalence to this unsuffixed PM01 record was not established. Searched source 1	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Only a Walker S2 EDU model was found; equivalence to the commercial Walker S2 record was not established. Searched source 1	—
Actuator architecture	1 actuator group documented. Search checked 2026-09-27 Search result Exact-variant actuator architecture evidence was found in the listed official source and is recorded per group. Searched source 1 Joint modules · PM01 · Claimed Scope Joint modules Variant PM01 Evidence status Claimed Drive Not confirmed Transmission Planetary Motion Not confirmed Architecture Not confirmed Architecture evidence Evidence review: supported The cited source was reviewed and supports this specific claim. This does not establish independent truth. Reason EngineAI's official PM01 FAQ states that PM01 uses all-planetary joint modules. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Official source (published by the subject or manufacturer) Robot variant PM01 Architecture metadata describes the cited mechanism only. No performance is inferred.	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	—
Warranty (shortest–longest)	no sourced value	no sourced value	no sourced value
Order type	direct checkout¹³ Not reviewed The cited source has not been reviewed for this specific claim.	quote required¹⁴ Not reviewed The cited source has not been reviewed for this specific claim.	—
Latest price	12,000unified (business & education) · USD · 2024-12-27¹⁵ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Announced	2024-12-27¹⁶ Not reviewed The cited source has not been reviewed for this specific claim.	2025-07-23¹⁷ Not reviewed The cited source has not been reviewed for this specific claim.	+7 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded demonstrated	Recorded claimed	—

Notes

can operate for two hours on a single charge (accessed 2026-09-20) — source
138CM (accessed 2026-09-20) — source
pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
weighs about 40 kg (88 lb.) (accessed 2026-09-20) — source
24-DOF (accessed 2026-09-27) — source
52 degrees of freedom in its bionic body (accessed 2026-09-27) — source
2 m/sec. (4.4 mph) (accessed 2026-09-20) — source
Max Torque [1] 164 N·m (accessed 2026-09-27) — source
Smart Battery Intelligent Quick Disassembly Supported (accessed 2026-09-21) — source
swap battery autonomously within 3 minutes (accessed 2026-09-21) — source
Walking with a Human-like Gait (accessed 2026-09-21) — source
Purchase now (accessed 2026-09-21) — source
Please reach out for more request or become a partner! (accessed 2026-09-21) — source
unified price of 88,000 yuan ($12,000 U.S.) until March 31, 2025 (accessed 2026-09-20) — source
EngineAI releases PM01 humanoid robot for commercial, educational use (accessed 2026-09-20) — source
On July 23rd, UBTECH Robotics announced the launch of its latest innovation, the Walker S2 (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/engineai-pm01-vs-ubtech-walker-s2/ (data snapshot 2026-11-03)

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