Australia ADR certification services

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RFS (Road-Friendly Suspension) is a performance-based suspension certification system required in Australia and New Zealand to ensure that heavy vehicles (especially trailers and semi-trailers) are equipped with suspension systems that minimize road wear.

What Is RFS – Road-Friendly Suspension

It is based on technical standards such as:

  • VSB No. 11 (Vehicle Standards Bulletin – Australia)
  • EU Directive 96/53/EC Annex II (technical reference)
  • Required for compliance with the National Heavy Vehicle Regulator (NHVR) and Vehicle Safety Standards (VSS).

RFS certification focuses on verifying key suspension performance indicators:

  • Low vibration frequency (≤ 2.0 Hz)
  • Adequate damping ratio (≥ 20%)
  • Balanced axle load sharing (within 5%)

Why Is RFS Certification Important

Legal Requirement:
In Australia, RFS certification is mandatory for registering heavy trailers and some types of trucks under the Road Vehicle Standards Act.

Protects Roads:
Certified RFS suspension reduces dynamic impact on roads, preventing damage and lowering maintenance costs for public infrastructure.

Allows Full Axle Load Access:
Only vehicles with approved RFS can legally carry maximum allowable axle loads, especially over bridges and weight-restricted zones. Help your vehicles obtain the higher mass limits from the general mass limits

Demonstrates Quality & Compliance:
Suspension systems with RFS approval are recognized as high-quality and compliant with government road protection policies.

What We Can Do for You

As a professional RFS service provider, we offer:

✅ Suspension Testing and Data Analysis

  • Full setup and instrumentation (accelerometers, LVDTs, DAQ)
  • On-site or in-lab step test simulation
  • Data processing, damping ratio and frequency calculation

✅ Certification Support

  • Assistance with worst-case suspension justification
  • Preparation of technical documents for VSS submission
  • Guidance on design optimization if suspension fails criteria

✅ Engineering Advisory

  • Suspension design review (air, mechanical, hydraulic systems)
  • RFS upgrade consulting for existing products
  • Supporting documents in accordance with VSB 11 & ADR 38/05

🌐 Ready to Certify Your Suspension

If you manufacture, import, or modify Trailer,Truck,Suspension/Axle system in Australia, RFS approval is a critical requirement for compliance and market access.

📩 Contact us today to arrange testing, consultation, or full end-to-end RFS certification services.

🔧 We simplify the process, support your technical team, and ensure you meet national standards.

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