Built to Work. 
Engineered to Last.

Whether you’re chasing more tray space, or better load distribution, a chassis extension is the ultimate way to get more from your rig. We’ve been extending chassis's since 2012, helping tradies, tourers, and serious 4WDers transform their vehicles into true workhorses.

Why Extend Your Chassis?

🟧 Increased Tray Space
Extra length means more room to carry tools, gear, or a full-size canopy setup without compromising weight balance.

🟧 Better Load Distribution
By pushing the axle further back, we shift the centre of gravity and reduce stress on your chassis, and rear overhang.

🟧 Perfect for Canopies & GVM Upgrades
Chassis extensions pair perfectly with GVM upgrades and full rear setups. If you're planning to run a large canopy with a full fitout like fridges, batteries, drawers, shower-system, kitchen, etc. this is the platform to build on.

🟧 ADR Compliant & Engineered In-House
Every extension is engineered, certified by our inhouse engineering team, and built here at our Toowoomba workshop. It’s not just legal—it’s rock solid.

Common Extension Lengths

We offer tailored solutions depending on your platform

Options include:

300mm - 1000mm Extensions – Ideal for single, extra, and dual cabs chasing that bit of extra tray space

Inbetween Sizes Available – Built around your tray, canopy, and GVM plans
Chassis Bob - For the Jeep Gladiator, a 300mm chassis bob at the rear of the chassis can improve the look and departure angle of your desired Jeep build. This chassis bob really complements our XTR Tray & Canopy packages.

The DMW Difference

Every chassis extension is cut, fabricated, welded, rust-proofed and painted in-house by our team of certified professionals. No shortcuts, no compromise. Just tried-and-tested Aussie quality backed by a reputation you can trust.