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# ModiCert

VASS Signatory and Chartered Engineering Services

## Sitemaps

- [XML Sitemap](https://modicert.com.au/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Heavy Motorhome Certification: Everything You Need to Know](https://modicert.com.au/heavy-motorhome-certification-everything-you-need-to-know/) - Learn how to certify a heavy motorhome. Clear steps, VASS rules, VSG5 requirements, and expert help from ModiCert to get your motorhome approved.
- [Replacing a Drawbar: When do You Need a VASS/AVE?](https://modicert.com.au/replacing-a-drawbar-when-do-you-need-a-vass-ave/) - Find out when replacing a drawbar needs a VASS/AVE certificate under VSB6 and ADRs. Learn the difference between repair and modification.
- [How VSB6 Modification Codes Encourage Innovation](https://modicert.com.au/how-vsb6-modification-codes-encourage-innovation/) - Innovation and compliance are often seen as opposing forces. One pushes boundaries, and the other enforces rules. However, Vehicle Standards Bulletin 6 (VSB6) catalyses engineering innovation in the road transport industry. Setting clear modification codes provides a structured framework that allows engineers to develop safer, more efficient, and more advanced heavy vehicle solutions while maintaining

## Pages

- [Home](https://modicert.com.au/) - ModiCert is a well-known for heavy vehicle engineer, vass engineer, gvm upgrade, towbar certification in Melbourne. For More Information Contact US Now!
- [Services](https://modicert.com.au/heavy-vehicle-modifications-services/) - ModiCert offers Truck Modification vass certification, heavy vehicle modification certification, truck chassis modification engineer in Dandenong, Campbellfield, Laverton, Melbourne.
- [Products](https://modicert.com.au/products/) - Expert Witness Services by ModiCert Independent Engineering Expertise for Legal, Insurance and Technical Matters Engineering disputes, vehicle failures, compliance issues, and accident investigations often require an independent technical opinion supported by professional engineering expertise. ModiCert provides expert witness and independent engineering services to assist legal professionals, insurers, businesses, and individuals in understanding complex engineering matters
- [Master New 6](https://modicert.com.au/master-new-6/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Master New 5](https://modicert.com.au/master-new-5/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Master New 4](https://modicert.com.au/master-new-4/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Master New 3](https://modicert.com.au/master-new-3/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Master New 2](https://modicert.com.au/master-new-2/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Master New](https://modicert.com.au/master-new/) - Want to Carry More? Tow More? Or Change Vehicle Category? Upgrade or Adjust Your GVM, GCM & ATM With Confidence Before you load more weight, tow a heavier trailer, or downgrade to fit licence limits, know exactly what your vehicle is legally allowed to do. GVM & GCM Upgrades | Downgrades | Trailer ATM &
- [Frequently Asked Questions – VASS & Engineering Certification (Victoria)](https://modicert.com.au/frequently-asked-questions/) - Frequently Asked Questions Frequently Asked Questions What counts as a “heavy vehicle” and when do changes need approval? In Australia, a heavy vehicle has a gross vehicle mass (GVM) or aggregate trailer mass (ATM) over 4.5 tonnes. Only changes that affect design, safety, or compliance need approval. Small additions like extra lights, aerials, or air-conditioning
- [Master Lp](https://modicert.com.au/master-lp/) - Request Approval Review Compliant Body & Tray Mounting Certification in Victoria Expert VASS approval for Tipper Bodies, Trays, and custom heavy vehicle mounting. Guaranteed road-legal. VASS Signatory Services Engineering Services Design, FEA, Calculations Call Now Request Approval Review Request Approval Review Name Phone Email Short description of modification Request Review Avoid Defect Notices Don't risk
- [About Us](https://modicert.com.au/about-us/) - Eiman Nosrati is the founder of ModiCert. Eiman is a Chartered Engineer (CEng), a VASS engineer and a National Engineering Registered by Engineers Australia.
- [Contact us](https://modicert.com.au/contact-us/) - Contact ModiCert Contact Us Contact ModiCert Melbourne, Victoria Eiman@ModiCert.com.au 0416309409 Whatsapp
- [Blog](https://modicert.com.au/blog/) - ModiCert Blog: Heavy Vehicle Engineering, Compliance & Innovation Get practical insights on heavy vehicle design, compliance, and engineering solutions. Heavy Motorhome Certification: Everything You Need to Know Learn More Replacing a Drawbar: When do You Need a VASS/AVE? Learn More How VSB6 Modification Codes Encourage Innovation Learn More

## My Templates

- [Elementor Footer #85](https://modicert.com.au/?elementor_library=elementor-footer-85) - Content area
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- [Single Post](https://modicert.com.au/?elementor_library=single-post) - Single Post Admin January 15, 2025 Converting a heavy vehicle into a motorhome should feel exciting, not stressful. Yet many owners only learn about certification rules after finishing their build. That delay often leads to expensive rework or even VicRoads rejection.This guide gives you a clear, simple explanation of how heavy motorhome certification works in
- [Contact (with Map)](https://modicert.com.au/?elementor_library=contact-with-map) - Subheading Let's get in touch Message Full Name Email Address Message Submit Our Contact Email Address support@yourdomain.com Call Us +13-000-0000 Social Media Facebook Twitter Google-plus Pinterest Instagram Location Location Name 123 Somewhere Street, City, State Location Name 123 Somewhere Street, City, State
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- [Archive](https://modicert.com.au/?elementor_library=archive) - Template: Archive FROM OUR BLOG Helpful Car Buying Heavy Motorhome Certification: Everything You Need to Know 11/27/2025 No Comments Replacing a Drawbar: When do You Need a VASS/AVE? 09/22/2025 No Comments How VSB6 Modification Codes Encourage Innovation 03/16/2025 No Comments How to buy a car? Learn More
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## Forms

- [contact form](https://modicert.com.au/metform-form/contact-form/)

## Categories

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