EngineAI Robotics PM01 vs UBTech Robotics Walker S2

Dataset date: 2026-09-20

175 cmhuman
battery runtime 120 min (claimed)
ClaimedC138 cm2EngineAI Robotics PM01
payload 15 kg (claimed)
ClaimedC176 cm4UBTech Robotics Walker S2

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

EngineAI Robotics PM01EngineAI Robotics PM01: announced 2024-12-27, first demo 2025-02-23, no dated delivery evidence
UBTech Robotics Walker S2UBTech Robotics Walker S2: announced 2025-07-23, no dated delivery evidence

open outline: claimed → demonstrated · hatched: demonstrated · filled dot: first delivery recorded

Evidence sheet

PropertyEngineAI Robotics PM01UBTech Robotics Walker S2Difference
Height (cm)ClaimedC138 cm2ClaimedC176 cm4+38 cm
Weight (kg)ClaimedC40 kg1sources disagreeno sourced value
Degrees of freedomClaimedC242ClaimedC524+28 DoF
Walking speed (km/h)ClaimedC7.2 km/h1no sourced valueno sourced value
Payload (kg)no sourced valueClaimedC15 kg3no sourced value
Battery runtime (min)ClaimedC120 min1sources disagreeno sourced value
Handsno sourced valueno sourced value—
Latest priceClaimedCUSD 12,0001no sourced value—
Announced2024-12-2712025-07-234+7 mo
First customer deliveryno sourced valueno sourced valueno sourced value
Delivery statusdemonstratedclaimed—

Notes

  1. can operate for two hours on a single charge (accessed 2026-09-20) — source
  2. 138CM (accessed 2026-09-20) — source
  3. pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
  4. stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/engineai-pm01-vs-ubtech-walker-s2/ (accessed 2026-09-20)

Correct this comparison or email corrections@humanoidrecord.com.