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Built Robotics vs. CHINOU: Comparing Autonomous Construction Equipment Approaches

A fair comparison of Built Robotics and CHINOU autonomous construction equipment. Different approaches, different focus areas, different track records.

CHINOU RoboticsFebruary 24, 20265 min read

Different Companies, Different Approaches

The autonomous construction equipment market includes several companies pursuing different strategies. Built Robotics and CHINOU represent two distinct approaches to construction autonomy.

This article provides a fair comparison to help buyers understand the differences.

Built Robotics: The Solar Pivot

Built Robotics gained early attention in the autonomous construction equipment space. However, their trajectory has evolved:

Original Vision

Built Robotics originally pursued general construction autonomy:

  • Autonomous excavators for construction applications
  • Focus on the US market
  • Venture-backed startup approach

Exosystem Pivot

More recently, Built Robotics has pivoted significantly toward solar installation through their Exosystem product:

  • Solar trenching focus: Autonomous trenchers for solar farm installation
  • Renewable energy market: Targeting the growing solar installation sector
  • Specialized application: Narrower use case than general construction

This pivot makes sense given the explosive growth in solar installation, but it means Built Robotics is less focused on general construction autonomy than their branding might suggest.

Current State

Today, Built Robotics is primarily:

  • A solar trenching automation company (Exosystem)
  • Less focused on general excavator autonomy
  • Competing in renewable energy infrastructure rather than traditional construction

CHINOU: Construction and Disaster Response

CHINOU takes a fundamentally different approach:

Multi-Application Focus

CHINOU technology serves multiple markets:

  • General construction — earthmoving, excavation, grading
  • Disaster response — earthquake rubble clearance, wildfire cleanup, hazardous environments
  • Critical infrastructure — dam construction, highway projects

Retrofit Model

Unlike companies that focus on new equipment, CHINOU provides retrofit autonomy:

  • OEM-agnostic: Works with CAT, Komatsu, John Deere, Hitachi, and others
  • Preserves fleet investment: Add autonomy to equipment you already own
  • Lower cost: Retrofit vs. replace economics favor retrofit
  • Flexibility: Transfer between machines, toggle auto/manual

Proven Track Record

CHINOU has the most extensive deployment record in construction autonomy:

  • 400+ projects delivered
  • 100+ machines retrofitted
  • 6+ years deployed with Japanese fire departments
  • Japan's largest dam (Naruse Dam) deployment
  • 30+ years of robotics experience

Disaster Response Capability

CHINOU is unique in having production deployment for disaster response:

  • Fire department partnerships across 10 prefectures
  • Earthquake, wildfire, and hazardous environment operations
  • Technology proven in the most demanding real-world conditions

No other autonomous construction equipment company has this track record.

Head-to-Head Comparison

FactorBuilt RoboticsCHINOU
Primary FocusSolar trenching (Exosystem)Construction + Disaster Response
Business ModelNew equipment / systemRetrofit existing equipment
OEM ApproachProprietaryOEM-agnostic
Projects DeployedLimited public data400+ projects
Disaster ResponseNot a focus6+ years with fire departments
Geographic FocusUSGlobal (Japan origin, US expansion)
Multi-Machine ControlNot emphasized1 operator : 3-4 machines
ExperienceStartup (founded 2016)30+ years robotics experience

Key Differentiators

For General Construction Buyers

If you're looking for autonomous equipment for general construction:

CHINOU advantages:

  • Retrofit works with your existing fleet
  • OEM flexibility (mixed fleets supported)
  • Production-proven across 400+ projects
  • Multi-machine fleet control demonstrated

Built Robotics considerations:

  • Less focused on general construction since Exosystem pivot
  • Solar trenching is their primary offering
  • Different use case than general excavation

For Solar/Renewable Buyers

If you're specifically in solar installation:

Built Robotics advantages:

  • Purpose-built for solar trenching
  • Focused specifically on renewable energy
  • Exosystem product designed for this use case

CHINOU considerations:

  • General construction focus, not solar-specific
  • Retrofit approach works but not optimized for solar trenching

For Disaster Response

If you're in emergency management or disaster response:

CHINOU advantages:

  • Only company with production disaster response deployment
  • 6+ years with fire departments
  • Technology proven in earthquake, wildfire, hazardous environments

Built Robotics considerations:

  • Not a focus area
  • No published disaster response deployments

Making the Decision

The right choice depends on your specific needs:

Choose CHINOU When:

  • You have an existing excavator fleet to retrofit
  • You need OEM flexibility (mixed fleet)
  • General construction is your primary application
  • Disaster response is a requirement
  • You want production-proven technology (400+ projects)
  • Multi-machine control is important (1:4 ratio)

Consider Built Robotics When:

  • Solar/renewable energy is your primary focus
  • You're specifically interested in trenching automation
  • You're building a new fleet from scratch

Evaluate Both When:

  • You have diverse applications
  • You're assessing multiple vendors
  • You want to compare economics

The Bigger Picture

The autonomous construction equipment market is early-stage, with room for multiple approaches. Built Robotics' pivot to solar reflects the reality that different markets have different requirements.

For general construction and disaster response, CHINOU's retrofit approach, multi-machine control, and extensive deployment history provide a proven path to autonomous operations.


Learn more about CHINOU's approach: Technology | Use Cases | How It Works

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