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GCM & BTC Upgrades
Project Spotlight: 300 Series LandCruiser Commercial Build (Pre-Rego SSM)
A Toyota LandCruiser 300 Series commercial build completed through SSM with 4,210 kg GVM, 7,800 kg GCM and 4,000 kg braked towing capacity.
Daly Kelly
Aug 102 min read
Tow Vehicle Certification: The Engineering Guide to Australian Compliance
Modifying a tow vehicle — through a GVM upgrade, a GCM upgrade, or heavier-duty suspension — can take it outside the specifications it was built and registered to. Without an engineer's certification, those modifications may not meet Australian Design Rules (ADRs), which can affect both roadworthiness and insurance outcomes. This guide explains what tow vehicle certification covers, when GVM, GCM, and ATM limits require an engineer's sign-off, and how the VSB14 and VSB6 codes
Daly Kelly
Aug 910 min read
GCM Upgrades in Australia: Rules, Limits and Approval Pathways
A factual guide to GCM re-rating in Australia, including how GCM differs from GVM and towing capacity, the engineering evidence involved, and why approval requirements vary between jurisdictions.
Daly Kelly
Aug 56 min read
How to Increase Towing Capacity Legally in Australia
A factual guide to towing ratings in Australia, including GVM, GCM, BTC, ATM and GTM, how to identify the limiting rating and why approval pathways vary.
Daly Kelly
Jul 223 min read
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