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ATM upgrades

Engineering assessment and certification for eligible caravan and trailer ATM upgrades. The available pathway depends on the trailer, proposed ATM, required modifications and registration jurisdiction.

caravan ATM upgrade

What is an ATM upgrade?

Aggregate Trailer Mass (ATM) is the maximum permitted mass of a caravan or trailer when fully loaded and unhitched. An ATM upgrade assesses whether that rated limit can be increased for a specific trailer, configuration and registration jurisdiction.

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An ATM upgrade may require assessment of the chassis, suspension, axles, brakes, coupling, wheels and tyres. Any required modifications, inspection and certification depend on the proposed ATM and applicable jurisdictional pathway.

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Without certification, an overloaded trailer is not road-legal, may be uninsured in the event of a claim, and can fail a roadworthy inspection.  Read our guide on Understanding the Key Differences Between GVM and ATM Upgrades

Our process

01

Assessment

We review the trailer or caravan, current ratings, intended loaded configuration and registration jurisdiction to identify the available engineering pathway.

02

Engineering

We assess the proposed ATM and identify the engineering evidence, component changes and testing required for the applicable pathway.

03

Inspection

The trailer is inspected and, where required, weighed or tested against the applicable engineering and jurisdictional requirements.

04

Certification

Where the assessment supports the upgrade, KME prepares the applicable engineering certification documentation. Final acceptance and registration changes are determined by the relevant registration authority.

Get it certified right, the first time.

Independent engineering you can trust

KME Vehicle Engineering provides independent assessment and certification for trailer mass upgrades. We assess the trailer, intended use and proposed operating mass, then identify the engineering and certification pathway applicable to the trailer and registration jurisdiction.

Engineering assessment

  • ADR and state regulations

  • Engineering certification

  • Jurisdiction-aware advice

Vehicle-Specific Advice

  • Touring vehicles

  • Work utes

  • Fleet vehicles

  • Heavy vehicles

Australia wide

  • Remote assessments

  • Dealer support

  • Interstate certification

  • National approvals

Experienced

  • 15+ years of engineering

  • Practical advice

  • Fast turnaround

  • Real technical knowledge

Daly was a pleasure to work with and has a wealth of knowledge, which he is happy to share. He is able to explain ADR requirements in simple terms and is more than happy to help customers understand the pathway to certification.

Steve P.

Very professional and efficient service. Daly is very knowledgeable and obliging and a pleasure to deal with. 

Duncan T. 

I can't complain about getting my GVM upgrade the same day I asked and paid!! Too good to be true. Amazing service.

Jamie L.

Frequently asked questions

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