GVM Upgrades

A completed Western Australian Chevrolet Silverado 1500 Z71 project increasing GVM from 3,300 kg to 3,750 kg, with rear suspension changes, rear-axle re-rating, structural assessment and brake testing.

A five-seat LC300 GR Sport Desert SSM project with 4,000 kg GVM, 7,800 kg GCM and 4,000 kg braked towing capacity for its specific configuration.

A RAM 2500 GVM engineering project covering a proposed 5,462 kg GVM, rear-axle FEA, Carli/King/Air Lift suspension, non-standard wheels and brake testing.

KME Vehicle Engineering upgraded a 2024 Ford F350 from 5,638 kg to 6,059 kg GVM in Queensland, supported by suspension, axle, wheel/tyre and brake-system engineering.

A real KME Vehicle Engineering project: Chevrolet Silverado 2500 GVM upgraded to 6.0 tonnes in Victoria, including suspension, axle re-rating and brake-system certification.

A completed KME Isuzu NPS 75-155 project increasing GVM from 7,500 to 8,000 kg and GCM from 11,000 to 12,000 kg, with super singles and VSB 6 engineering.

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.

See how KME Vehicle Engineering certified a RAM 3500 GVM upgrade to 6.2 tonnes under VSB 6, covering wheels, suspension, brakes, body mounting, fuel system, towbar/coupling and mass re-rating.

Planning an LC300 GVM upgrade? Check your vehicle variant, axle weights, component package and approval pathway before buying parts. Includes a real KME GR Sport project.

GVM vs GCM explained: understand loaded vehicle mass, combined mass, towing limits and what engineering approval may be required.

With a factory payload of approximately 730kg, your brand-new 300 Series is likely overweight the moment you add a bullbar, a winch, and a full tank of diesel. It’s a frustrating reality for many Australian tourers who find their vehicle bottoming out over every undulation or wandering across the la...

What a GVM upgrade changes, when it may be needed, how payload and axle limits interact, and the Australian engineering approval pathways.

We’ve all been there – a casual conversation with another 4Wder, exchanging stories, hearing about where they visited recently, talking about what changes you’d like to make to your rig, and then it hits: they start telling you all about their GVM upgrade… 15 minutes later after you have extracted yourself from the conversation, grieving that period of your life that you will never get back, and you wonder to yourself, where did they get all that information from, and why wer