300 Series GVM Upgrade Specifications

* Post Rego Lift, Tyres, BTC and GCM remain engineer and state dependant. Post rego vehicles with ESC are limited to 50mm of lift in all states

For more information on axle loads, BTC AND GVM please read our article here CALCULATE YOUR WEIGHT
Check your wheel and tyres to see if you you’ll need flares on the Will They Fit Wheel and Tyre Calculator

All JMACX products have full engineering and are approved by all states in Australia for post rego vehicles to ensure you are safe and legal on Australian roads. To see what comes in your JMACX 4200 GVM upgrade for your 300 series Landcruiser watch the video and then use the GVM upgrade kit builder above to get a quote today.

Frequently Asked Questions:

Is there a GVM upgrade for the 300 series?

Yes, JMACX offers 4 GVM upgrades for the 300 series, the 4200 kg touring or commercial and the 3800 kg touring or 7 seat approval. All Landcruiser 300 Series GVM upgrades can be completed pre and post rego Australia Wide.

What is the GVM of 300 Series Landcruiser?

The factory GVM of the LC300 Series Landcruiser is 3280 Kg, the JMACX GVM upgrade increases your GVM to either 3800 Kg or 4200 Kg. Through our premium suspension component and for the 4200 Kg upgrade a fully fabricated rear diff housing which allows for a 2800 kg rear axle load.

What lift and tyres can I fit to my 300 Series?

With a pre registration GVM upgrade on a 300 Series you can run up to 3 inches of lift and 35 inch tyres. Post registration lift and tyres normally are restricted to 2 inches of lift and 33 inch tyres, check with your local JMACX authorised facility to confirm as states may vary.

Why does the 300 series need a flare kit?

The standard factory flare on the 300 series only provides 10mm of coverage beyond the full width of the tyre. Legally the flare and mudflap must cover the external width of the tyre.  Anything beyond one tyre size up on the factory tyre size should technically and legally carry the extended flare and mudflap. 300 series standard factory tyres have a wheel rim offset of +60mm. As you select tyre sizes for your GVM upgrade, flares are required when you have tyres fitted that are more than 275mm wide, with a max wheel rim offset larger than +60mm.

When fitting these flares if you are having a bull bar fitted then your installer will require trimming to suit the bar for proper fitment with additional caps. Your installer will arrange fitment and painting of your flares, contact them for your colour selection.

Unsure if you really need flares? We recommend future proofing your vehicle with the flare kit. Commonly 4×4 owners prefer the larger tyre size that will require the flare kit for road safety and aesthetics purposes.

Check your wheel and tyres to see if you you’ll need flares on the Will They Fit Wheel and Tyre Calculator

Why does the GVM Upgrade remove the rear seating?

The 300 Series GVM upgrade makes your vehicle a medium goods carrying vehicle. Goods carrying vehicles over 3500Kg need to have a load carrying space so the rear seats must be removed if you have a model with 7 seats.

Is there a way to keep my vehicle as a 7 seater?

Yes you can keep your rear seats in this option is only available in 3800 Kg GVM Upgrade 7 Seat Variant