70 Series Upgrades

200 series upgrades

Legal GVM Upgrades

Welcome to Mountain District 4×4

Specializing in

Toyota Land Cruisers

Mountain District 4×4 is quickly making a name for themselves in the Land Cruiser community as the go-to for all your vehicle needs. From building your new dream Cruiser through to servicing and beefing up your existing ride, MD4x4 has you covered.

New Car Builds 70 series 200 series contact us

Legal GVM Upgrade Specialist

GVM (Gross Vehicle Mass) is the total legal weight your vehicle places on the road. This includes the vehicle, any accessories, cargo, passengers, even the weight of the fuel in the tank.

Whether you’re a weekend warrior with an accessory loaded 4WD or a tradie with a ute full of tools, ensuring your vehicle is safe and under it’s legal load carrying capacity is of utmost importance. With years of experience in the 4×4 market, Mountain District 4×4 can provide practical, honest advice to ensure your vehicle is safe and legal on the roads.

Learn More contact us

Our Partners

JMACX Off Road Solutions

Mountain District 4×4 is an authorised reseller and Installation Facility for JMACX Off Road Solutions. JMACX have designed and manufactured Australia’s leading bolt-in coil conversion for the Toyota Land Cruiser. With the highest axle load in Australia and a range of GVM upgrades and lifts available, they have a range of kits and products to suit the harsh Australian environment.

Australian Expedition Vehicles

Mountain District 4×4 is an authorised installer of the AEV/JMACX 200 Series GVM Upgrade. AEV have designed and manufactured Australia’s most reliable 200 Series Station Wagon GVM upgrade which includes a JMACX Rear Axle Housing, ensuring a high axle load to compliment the increase in load carrying capacity. This kit also retains factory 3500kg tow capacity and is available pre and post registration. When installed pre rego, the vehicle will then be Luxury car tax exempt.

Pedders Suspension & Brakes GVM+ Kits

Mountain District 4×4 is an authorised installation facility for Pedders wide range of GVM Upgrade Kits. Pedders GVM upgrade kits are tailored to enhance a vehicle’s GVM based on their specifications. All kits are fully engineered and can be installed pre or post registration.

Safari 4×4 Engineering

Mountain District 4×4 is excited to announce we are now a Safari ARMAX Performance Dealer. The Safari ARMAX Performance ECU (Engine Control Unit) is designed to work with your vehicle’s existing ECU, resulting in more power & torque, better throttle response, less turbo lag and better fuel economy. This amazing Australia product also includes a full 100,000km engine and driveline warranty.

Black Duck Seatcovers

Mountain District 4×4 is excited to announce we are now a reseller for Australian owned and manufactured Black Duck Seatcovers. Black Duck’s seat covers are custom made to suit your vehicle’s specifications, are tough, durable and designed to withstand the harsh Austalian outback.

Norweld Aluminium Ute trays and canopies

Mountain District 4×4 is excited to announce our partnership with Norweld Aluminium Ute Trays And Canopies. Norweld have decades of experience in fabricating heavy duty aluminium trays and canopies for some of Australia’s harshest conditions.

Proud to be members of

Victorian Automobile Chamber of Commerce

Mountain District 4×4 are proud members of the Victorian Automobile Chamber of Commerce.


Mountain District 4×4 are pleased to be Dealers with GoPay. Spread the cost of your vehicle repair bill over 4 monthly instalments – Interest & Fee free. Available for service work only.

Customer Testimonials