# Who makes the gearbox?

> Markdown twin of https://web-production-180a9.up.railway.app/topics/gearbox · https://web-production-180a9.up.railway.app/topics/gearbox.md

## On this layer

- org — [Unitree Robotics](https://web-production-180a9.up.railway.app/companies/unitree) (3)
- org — Harmonic Drive LLC (2)
- org — LimX Dynamics (2)
- org — Schaeffler (2)
- org — Actuator BOM contribution (1)
- org — Agibot (1)
- org — Beijing Humanoid Robot Innovation Center (1)
- org — Bosch (1)
- org — civilian robot (1)
- org — Deep Robotics (1)
- org — ELECTROMATE (1)
- regulator — europe (1)
- org — Fictiv (1)
- org — [Fourier Intelligence](https://web-production-180a9.up.railway.app/companies/fourier) (1)
- org — Galbot (1)
- org — Gearbox cost contribution (1)
- org — Harmonic Drive AG (1)
- org — Harmonic Drive Systems, Inc. (1)
- plant — herzogenaurach (1)
- org — Hexagon Robotics (1)
- org — Leju (1)
- plant — massachusetts (1)
- org — MISUMI (1)
- org — Nabtesco Precision Europe GmbH (1)
- org — robot design (1)
- org — Robotera (1)
- org — Schaeffler’s agreement with Humanoid (1)
- org — TRON 2 (1)
- org — UBTECH (1)
- org — ZiNovaLabs (1)

## Who captures

- Unitree Robotics (3)
- @smsehy (2)
- ZiNovaLabs (1)
- Schaeffler (1)
- @ctorobotics (1)
- @santoshsingh1 (1)
- ELECTROMATE (1)
- Nabtesco Precision Europe GmbH (1)

## Sourced numbers

- **TRON 2:** 1 units
  - _"TRON 2 serves as a modular and extensible embodied robotic platform for multi-tool, multi-step tasks across large workspaces."_
  - Source: [LimX Dynamics on X: "Together with ZINOVA's Tool Intelligence, TRON 2 takes on increasingly complex construction workflows.

@ZiNovaLabs builds on TRON 2 to explore an innovative robotic configuration for construction, demonstrating key tasks in a scaled-down tilt-up construction workflow, includi… / X](https://x.com/chris_j_paxton/status/2095114381818253768)
- **Schaeffler’s agreement with Humanoid:** 1,000,000 units
  - _"covering a seven-digit number of units."_
  - Source: [The hardest problem in physical AI may be the magnet, not the model](https://thenextweb.com/news/physical-ai-hardest-problem-magnet-not-model-crma-schaeffler)
- **robot design:** 1 units
  - _"This product is a civilian robot."_
  - Source: [Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Unitree Robotics](https://x.com/UnitreeRobotics/status/2094270984845185473)
- **Actuator BOM contribution:** 40 units
  - _"Actuators can potentially represent ~40–60% of a humanoid's BOM."_
  - Source: [@santoshsingh1 on X](https://x.com/santoshsingh1/status/2093714437551337508)
- **Gearbox cost contribution:** 30 units
  - _"the gearbox itself can represent roughly 30–50% of actuator cost."_
  - Source: [@santoshsingh1 on X](https://x.com/santoshsingh1/status/2093714437551337508)
- **Harmonic Drive LLC:** 50 units
  - _"With over 50 years of experience, our expert engineering and production teams continually develop enabling technologies for the evolving motion control market."_
  - Source: [@Electromate on X](https://x.com/Electromate/status/2092971394367963313)
- **civilian robot:** 1 units
  - _"This product is a civilian robot."_
  - Source: [Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Unitree Robotics](https://www.unitree.com/DigitalServo)

## Pulse

- [@smsehy on X](https://x.com/smsehy/status/2095710954361409749)
  The hand and forearm expose the real physical limits of miniature motor winding, high-ratio planetary gearing, and thermal dissipation inside a 25mm joint envelope. Volume manufacturing only works whe…
- [@smsehy on X](https://x.com/smsehy/status/2095050737344725288)
  Digital models scale exponentially by distributing weights across networks, but physical AI scaling remains gated by physical component manufacturing lead times. Sourcing specialized precision cycloid…
- [LimX Dynamics on X: "Together with ZINOVA's Tool Intelligence, TRON 2 takes on increasingly complex construction workflows.

@ZiNovaLabs builds on TRON 2 to explore an innovative robotic configuration for construction, demonstrating key tasks in a scaled-down tilt-up construction workflow, includi… / X](https://x.com/chris_j_paxton/status/2095114381818253768)
  Post Log in Sign up Post LimX Dynamics on X: "Together with ZINOVA's Tool Intelligence, TRON 2 takes on increasingly complex construction workflows. @ZiNovaLabs builds on TRON 2 to explore an innovati…
- [The hardest problem in physical AI may be the magnet, not the model](https://thenextweb.com/news/physical-ai-hardest-problem-magnet-not-model-crma-schaeffler)
  Skip to content AI Learning and Artificial Intelligence Credit: Canva Actuators account for 40% to 60% of a humanoid robot’s bill of materials and China refines roughly 90% of the rare earth magnets i…
- [@ctorobotics on X](https://x.com/ctorobotics/status/2094527383160135976)
  A 200-year-old mechanical principle still matters in robotics. ⚙️🤖 The Oldham coupling, dating back to the 19th century, is designed to transmit rotation between shafts that are not perfectly aligned…
- [Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Unitree Robotics](https://x.com/UnitreeRobotics/status/2094270984845185473)
  Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Brushless Motor Long Life, Low Inertia, High Speed, Force Control - Temperature and Position Sensors - Precision G…
- [@santoshsingh1 on X](https://x.com/santoshsingh1/status/2093714437551337508)
  4/11 – What is the key question: ❌ Which humanoid robot will win? Tesla? Unitree? Figure? Someone else? ➡️What does EVERY humanoid robot need? Because the winner may change. The supply chain doesn't. …
- [IHR006 | Monthly Insight | August 2026 – Industry Humanoid Robotics](https://x.com/NewsHumanoid/status/2093221759612764529)
  Skip to content IHR006 \| Monthly Insight \| August 2026 Unitree Robotics Soars 460% in Shanghai STAR Market Debut Unitree Robotics made a striking debut on Shanghai’s STAR Market, underscoring strong…
- [@Electromate on X](https://x.com/Electromate/status/2092971394367963313)
  High-Performance Gearheads for Servo and Stepper Motors HarmonicPlanetary® HPGP / HPG / HPN / HPF / HPG Helical HarmonicDrive® CSG-GH / CSF-GH Sold & Serviced by: ELECTROMATE Toll Free Phone: (877) SE…
- [Humanoid Robotics Technology on X: "Nabtesco Precision Europe GmbH's strain wave gears redefine humanoid robotics and automation.

Designed to meet specific application requirements, Nabtesco's strain wave gears can be individually tailored for performance, geometry, materials, interfaces, and gear… / X](https://x.com/FrankNatureM/status/2092537106774008266)
  Post Log in Sign up Post Humanoid Robotics Technology on X: "Nabtesco Precision Europe GmbH's strain wave gears redefine humanoid robotics and automation. Designed to meet specific application require…
- [Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Unitree Robotics](https://www.unitree.com/DigitalServo)
  Brushless Digital Servo Compact and Designed for Embodied Intelligence Applications - Brushless Motor Long Life, Low Inertia, High Speed, Force Control - Temperature and Position Sensors - Precision G…

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Source: Robotics insights · https://web-production-180a9.up.railway.app/topics/gearbox.md