On paper, the payload figures of most modern 4WDs look impressive — until you start adding accessories, touring gear, fuel, and passengers. Before you know it, your available payload is gone.
Staying under your vehicle’s Gross Vehicle Mass (GVM) can quickly feel impossible.
Tough Dog Suspension is a recognised Second Stage Manufacturer (SSM), authorised to engineer and federally certify GVM upgrade solutions. That means you can legally increase your vehicle’s GVM and maximise your usable payload — without compromising safety or roadworthiness.
Every complete Tough Dog GVM kit is rigorously tested and certified to ensure full ADR compliance, giving you confidence on and off the road.
We are unable to quote or supply GVM kits online. Please email your vehicle details and your location and we'll put you in touch with a local approved GVM fitment centre: