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4x4 Handling Problems Under Load: The 2026 Engineering Guide to Safety and Compliance
Did you know that nearly 23% of vehicles stopped during recent police weighbridge operations were found to be over their legal weight limit? Most drivers don't realise they have 4x4 handling problems under load until they're halfway to their destination and the steering feels light, the body roll be...

Daly Kelly
3 days ago12 min read


Project Spotlight: Solar Car Certification for the World Solar Challenge
KME Vehicle Engineering provided certification for the Twente team's solar car in the 2023 and 2025 World Solar Challenge, Darwin to Adelaide.

Daly Kelly
Aug 122 min read


Project Spotlight: Isuzu NPS 75 Tow Pin Engineering Assessment
A project review of an Isuzu NPS 75 tow-pin assessment, including a 4.5 tonne static load case and the limits of interpreting a calculated safety factor.

Daly Kelly
Aug 122 min read


Project Spotlight: Nissan Patrol Y61 Cab Chop & Towbar Conversion
See how we certified a Nissan Patrol Y61 wagon-to-ute cab chop conversion under VSB6, with a 450mm chassis shortening and towbar re-engineering.

Daly Kelly
Aug 122 min read


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


Project Spotlight: Toyota LandCruiser 79 Series GVM Upgrade to 4.5 Tonnes
A Toyota LandCruiser 79 Series project increased from 3,510 kg to a certified 4,500 kg GVM, with suspension, axle and differential engineering evidence.

Daly Kelly
Aug 102 min read


Project Spotlight: Caravan ATM Upgrade to 4.5 Tonnes
See how we certified a caravan ATM upgrade to 4,500kg, re-rating chassis and axle capacity for batteries, water, solar and touring gear.

Daly Kelly
Aug 102 min read


Project Spotlight: Medium Truck VSB6 Approvals (D3, E3, F1, G4 & M1)
See how we certified five VSB6 modification codes at once for a medium truck — wheels, suspension, brakes and fuel system, assessed as one compliance package.

Daly Kelly
Aug 102 min read


Project Spotlight: RAM 3500 GVM Upgrade to 6.1 Tonnes
See how we certified a RAM 3500 GVM to 6.1 tonnes under VSB6, covering suspension, brakes, steering and full ADR compliance.

Daly Kelly
Aug 102 min read


What is an ATM Upgrade?
Aggregate Trailer Mass (ATM) is the maximum weight your caravan or trailer is allowed to be — fully loaded, on its own, disconnected from the tow vehicle — as set by the manufacturer.

Daly Kelly
Aug 104 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


Legal GVM Upgrade 300 Series Landcruiser: The Complete Engineering & Compliance Guide
When Victoria Police conducted over 1,200 weighbridge operations in a single year, they discovered a startling reality: approximately 23% of vehicles failed to meet their legal weight requirements. If you've ever felt a pang of anxiety while passing a mobile weighing station, you aren't alone. Most...

Daly Kelly
Aug 612 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


GVM vs GCM A Comprehensive Guide to Understanding the Differences
Two common terms you might encounter are GVM and GCM. Both relate to vehicle weight limits but serve different purposes. Understanding these differences is crucial for safe driving, legal compliance, and vehicle performance. This guide breaks down what GVM vs GCM - how they differ, and why each matters.

Daly Kelly
Aug 34 min read


Understanding the Key Differences Between GVM and ATM Upgrades
When it comes to towing trailers or caravans, understanding the terms GVM and ATM is essential for safety, legal compliance, and vehicle performance. This guide breaks down the key differences between GVM and ATM, helping you make informed decisions when loading, towing, or modifying your vehicle and trailer.

Daly Kelly
Aug 34 min read


What VSB 14 Covers for Light Vehicle Modifications
A national guide to VSB 14 for light vehicles, explaining minor, basic and certified modifications and why approval processes differ between Australian jurisdictions.

Daly Kelly
Aug 13 min read


Fleet Vehicle Modification Certification: The Complete Engineering Compliance Guide
What if the very upgrades designed to make your fleet more productive are actually the biggest threat to your balance sheet? For many Australian operators, a non-compliant modification is a ticking time bomb of massive fines and voided insurance policies. Securing a professional fleet vehicle modifi...

Daly Kelly
Jul 3011 min read


Vehicle Structural Assessment: The Engineering Checklist for Compliance
Could a single overlooked weld or an uncertified bolt be the only thing standing between your vehicle and a legal registration? For many vehicle owners across Australia, the excitement of completing a significant modification, like a 300 series Landcruiser suspension upgrade Darwin, is often tempere...

Daly Kelly
Jul 2722 min read


Modified Vehicle Compliance Inspection: The Essential Engineering Checklist (2026)
A high-performance suspension upgrade or a custom commercial fit-out is a significant investment, yet it remains a legal liability until it passes a formal modified vehicle compliance inspection. You've likely spent weeks choosing the right components for your 4WD or fleet, only to be met with the a...

Daly Kelly
Jul 2612 min read


Overloaded 4WD Legal Risks in Australia: Myths vs. Reality (2026 Guide)
Imagine you are 500 kilometres into a dream trip through the Kimberley when a sudden swerve leads to a structural failure. You are safe, but your insurer has sent a surveyor to check your weights, and they have discovered you are 150kg over your Gross Vehicle Mass. In an instant, a simple oversight...

Daly Kelly
Jul 2313 min read
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