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Welcome to Jmacx

JMACX is the innovator and industry leader when it comes to coil conversions and GVM upgrades for the ultimate Landcruiser. Giving you the strongest coil conversion on the market with unrivalled stability and handling.

GVM upgrades, with the highest axle load rating in Australia, allowing you to practically load and use the full potential of the GVM upgrade in your vehicle.

With hundreds of conversions done in commercial, military, outback tourers and work vehicles, combined with millions  kilometres driven in some of the worlds harshest condition, this patented kit has proven itself to go above and beyond. No wonder it is the worlds number one trusted coil conversion and Australia’s only bolt in conversion.

 

click on the tabs below to find a package that best suits your needs .

LC70 Series 3900 GVM Coil Conversion

The JMACX 3900 GVM Patented bolt in coil conversion is recommended for someone who is looking for ride comfort in a daily driven or work vehicle. It is great for varying loads. Example would be if you have a slide on camper or a canopy setup that only gets loaded when away on holidays. This kit maintains the comfort through all the load types, constant or unloaded.

 Or you may only be looking at the coil conversion for the 4inch lift 35inch tyres and extra ground clearance. This kit is well suited for you with unrivalled handling on and off road, allowing you to tow safely that big caravan or boat to the destination or head off into the bush with extra articulation. Nothing will stop you.

If you’re unsure on what GVM upgrade will be best for your vehicle, head over and have a play with our vehicle weight calculator.

GVM kit specs are:

  • all Jmacx bolt in coil conversion can be done *PRE AND POST REGO* in all states
  • all Jmacx bolt in coil conversion can have up to 4inch of lift and 35inch tyres pre rego. (post rego vehicles with ESC are limited to 50mm of lift in all states)
  • with this Jmacx bolt in coil conversion you get a:
  • Increase GVM to 3900kg
  • Maintain BTC of 3500kg at full 3900 GVM (Post Rego Vehicles Is State Dependent For This)
  • Axle load increase to 2850kg 
  • SSM Number:48554 (visit rvcs website to confirm Specs)
  • (for more information on axle loads,BTC AND GVM please read our article here CALCULATE YOUR WEIGHT)

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 3900 bolt in coil conversion please watch the video and then use the kit builder bellow to get a quote today.    

Frequently Asked Questions

 Does the Kit Contain Parts that are Custom and Maybe Difficult to find if in the middle of Nowhere?

  • Our diffs maintain all factory brakes, hubs, bearings, seals, diff lockers etc.
  • Our Coil Kit uses factory length Landcruiser control arms, Panhard.
  • Most parts maintain OEM Toyota bushes, so parts can be easily accessible anywhere in the world.

How strong are the upgraded axles? 

  • Our diff housings are full fabricated units that exceed the strength of the factory original unit. JMACX Axles are the strongest production manufactured axle for Toyota Landcruiser available.

How Long will Jmacx need my vehicle for?

  • The Conversion will take around 7-14 working days depending on what accessories are being fitted to the vehicle .

Does the new wide track diff correct the rear vehicle track?

  • Yes

Can i have a Custom Colour?

Yes, automatically our kits are a standard black.

But let us know and we can give you a custom colour to suit you!

We often see customers selecting a colour that represents their business 

Will It Affect my Insurance?

No, but it is up to each individual to check with their insurer. (Generally Insures only require the vehicle to be Legal.) 

 

LC70 Series 4200 GVM Coil Conversion

The Jmacx 4200 GVM bolt in coil conversion is the world’s number one trusted bolt in coil conversion on the market and is the industry leader here’s why, with hundreds of conversions done and millions of combined kms driven in some of the world’s harshest condition this kit is fully engineered to go above and beyond. Also giving you a GVM upgrade of 4200 this is the ultimate suspension upgrade for outback tourers, commercial vehicles and the weekend warrior. Tested and proven in some off the world’s harshest conditions.

  • all Jmacx bolt in coil conversion can be done *PRE AND POST REGO* in all states
  • all Jmacx bolt in coil conversion can have up to 4inch of lift and 35inch tyres pre rego. (post rego vehicles with ESC are limited to 50mm of lift in all states)
  • with this Jmacx bolt in coil conversion you get a:
  • Increase GVM to 4200kg
  • Maintain BTC of 3500kg at full 4200 GVM (Post Rego Vehicles Is State Dependent For This)
  • Axle load increase to 2850kg                                                                           
  • SSM Number:48554 (visit rvcs website to confirm Specs)
  • (for more information on axle loads,BTC and GVM please read our article here CALCULATE YOUR WEIGHT)
All Jmacx products have full engineering to ensure you are safe and legal on Australian roads. To see what comes in your Jmacx bolt in coil conversion please watch the video and then use the kit builder bellow to get a quote today .

Frequently Asked Questions

 Does the Kit Contain Parts that are Custom and Maybe Difficult to find if in the middle of Nowhere?

  • Our diffs maintain all factory brakes, hubs, bearings, seals, diff lockers etc.
  • Our Coil Kit uses factory length Landcruiser control arms, Panhard.
  • Most parts maintain OEM Toyota bushes, so parts can be easily accessible anywhere in the world.

What if I Break an Axle?

  • Our diff housings are full fabricated units that exceed the strength of the factory original unit. JMACX Axles are the strongest production manufactured axle for Toyota Landcruiser available.

How Long will Jmacx need my vehicle for?

  • The Conversion will take around 7 working days depending on what accessories are being fitted to the vehicle.

 Does the new wide track diff correct the rear vehicle track?

  • Yes

Can i have a Custom Colour?

Yes, automatically our kits are a standard black.

But let us know and we can give you a custom colour to suit you!

We often see customers selecting a colour that represents their business 

Will It Affect my Insurance?

No, but it is up to each individual to check with their insurer. (Generally Insures only require the vehicle to be Legal.) 

 

 

 

LC79 Series 4495 GVM Coil Conversion

The Jmacx 4495 super chassis kit has taken the landcruiser to a whole new level, now giving you the highest GVM on a light vehicle licence also with a tow increase to 4000kg , and the best part is this is all done on coil suspension allowing the vehicle to still drive and ride like a dream.     
Here is some key points as to what you can get from a Jmacx track corrected coil conversion.
  • Jmacx 4495 chassis coil conversion can be done *PRE AND POST REGO* in all states
  • Jmacx 4495 chassis coil conversion can have up to 4inch of lift and 35inch tyres pre rego. (post rego vehicles with ESC are limited to 50mm of lift in all states)
  • Jmacx 4495 chassis coil conversion has an integrated 300mm stretch and bracing kit 
  • Integrated tow hitch and built in winch cradle.
  • with this Jmacx coil conversion you get a:
  • Increase GVM to 4495kg                                                                
  • Increase BTC to 4000kg (Post Rego Vehicles Is State Dependent For This)
  • Axle load increase to 2850kg
  • SSM Number:49983 (visit rcvs website to confirm Specs)
  • (for more information on axle loads,BTC and GVM please read our article here CALCULATE YOUR WEIGHT)
All Jmacx products have full engineering to ensure you are safe and legal on Australian roads. To see what comes in your Jmacx bolt in coil conversion please watch the video and then use the kit builder bellow to get a quote today .

LC79 Series 4495 GVM 6×6 Coil Conversion

The JMACX 4495 6 Wheel Drive triple locked LC79 super chassis kit has taken the Landcruiser to a whole new level, now giving you the highest GVM on a light vehicle licence with a tow increase also to 4495kg and the best part is this is all done on coil suspension allowing the vehicle to still drive and ride like a dream. Here are some key points as to what you can get from a Jmacx track corrected coil conversion.

  • Jmacx 4495 super chassis coil conversion can be done *PRE AND POST REGO* in all states
  • Jmacx 4495 super chassis coil conversion can have up to 4inch of lift and 35inch tyres
  • Jmacx 4495 super chassis coil conversion has an integrated chassis stretch and bracing kit 
  • Integrated tow hitch and built in winch cradle.
  • with this Jmacx super chassis coil conversion you get a:
  • Increase GVM to 4495kg
  • Increase BTC to 4500kg (Post Rego Vehicles Is State Dependent For This)
  • Axles load rating to 3000kg each
  • Vehicle chassis length extended by 1000mm overall
  • SSM Number:49655(visit rcvs website to confirm specs)
  • (for more information on axle loads,BTC and GVM please read our article here CALCULATE YOUR WEIGHT)

All Jmacx products have full engineering to ensure you are safe and legal on Australian roads. To see what comes in your Jmacx bolt in coil conversion please watch the video and then use the kit builder bellow to get a quote today.

 

this system can be fitted at :

visit Australian expedition vehicles

visit JMACX OFFROAD SOLUTIONS

visit Boss Aluminium

visit Swank Fabrication 

visit JACKSONS 4X4 ACCESSORIES

If you are a overseas customer please contact:

visit tough gear trading

Frequently Asked Questions

 

Is this a self installation kit ?

No, JMACX 6×6 will only Supply to a JMACX and Australian Patrol Vehicles (AEV) Approved workshop.

 

How Long is a JMACX ?

  • JMACX 79 Series 6×6
  • 6200mm (2400 Tray)
  • 6600mm (2800 Tray)

 

  • AEV/JMACX 200 Series 6×6
  • 7.2 Mtrs

What does a 6×6 Weigh ?

  • JMACX 6×6 79 Series
  • A JMACX 6×6 79 Series Weighs Appox 350kg Heavier than the factory Tare Weight.

  • AEV/JMACX 200 Series 6×6

  • Approx 2750kg

Can this be approved in all States ?

  • Yes, all States.

What is the Maximum Tyre & Lift Height Available ?

  • 4 inch Lift Max
  • 35 inch Tyres Max

Can I Have Lockers ?

  • Standard GXL comes with Factory Front & Rear Electric Lockers.
  • JMACX 6×6 System is supplied with a Locker

 

Is JMACX 6×6 Chassis Cut & Extended ?

  • No, JMACX Fabricate a Complete Chassis Section to Replace the existing rear assembly to increase chassis strength.

What is the Fuel Economy like ?

  • Two tests on comparable vehicles 6 Wheel Drive and 4×4 with the same tyre size, similar tuning, similar towing weights & loaded up for touring The 6×6 was 1 litre per 100KS Heavier on Fuel Consumption.

 

 

 

 

 

LC79 Series 5800 GVM 6×6 Coil Conversion

The Jmacx 5800 6X6 triple locked LC79 super chassis kit has taken the Landcruiser to a whole new level, giving you one of the highest GVM’s with a tow increase also to 4500kg and the best part is this is all done on coil suspension allowing the vehicle to still drive and ride like a dream.Here are some key points as to what you can get from a Jmacx track corrected coil conversion.

  • Jmacx 5800 super chassis coil conversion can be done *PRE AND POST REGO* in all states
  • Jmacx 5800 super chassis coil conversion can have up to 4inch of lift and 35inch tyres
  • Jmacx 5800 super chassis coil conversion has an integrated chassis stretch and bracing kit 
  • Integrated tow hitch and built in winch cradle.
  • with this Jmacx super chassis coil conversion you get a:
  • Increase GVM to 5800kg
  • Increase BTC to 4500kg
  • Increase GCM to 10300kg
  • Axles load rating to 3000kg each
  • Vehicle chassis length extended by 1000mm overall
  • SSM Number:49954(visit rcvs website to confirm specs)
  • (for more information on axle loads,BTC and GVM please read our article here CALCULATE YOUR WEIGHT)
All Jmacx products have full engineering to ensure you are safe and legal on Australian roads. To see what comes in your Jmacx bolt in coil conversion please watch the video and then use the kit builder bellow to get a quote today .

 

this system can be fitted at :

visit Australian expedition vehicles

visit JMACX OFFROAD SOLUTIONS

visit Boss Aluminium

visit Swank Fabrication 

visit JACKSONS 4X4 ACCESSORIES

If you are a overseas customer please contact:

visit tough gear trading

Frequently Asked Questions

 

Is this a self installation kit ?

No, JMACX 6×6 will only Supply to a JMACX and Australian Patrol Vehicles (AEV) Approved workshop.

 

How Long is a JMACX ?

  • JMACX 79 Series 6×6
  • 6200mm (2400 Tray)
  • 6600mm (2800 Tray)

 

  • AEV/JMACX 200 Series 6×6
  • 7.2 Mtrs

What does a 6×6 Weigh ?

  • JMACX 6×6 79 Series
  • A JMACX 6×6 79 Series Weighs Appox 350kg Heavier than the factory Tare Weight.

  • AEV/JMACX 200 Series 6×6

  • Approx 2750kg

Can this be approved in all States ?

  • Yes, all States.

What is the Maximum Tyre & Lift Height Available ?

  • 4 inch Lift Max
  • 35 inch Tyres Max

Can I Have Lockers ?

  • Standard GXL comes with Factory Front & Rear Electric Lockers.
  • JMACX 6×6 System is supplied with a Locker

 

Is JMACX 6×6 Chassis Cut & Extended ?

  • No, JMACX Fabricate a Complete Chassis Section to Replace the existing rear assembly to increase chassis strength.

What is the Fuel Economy like ?

  • Two tests on comparable vehicles 6×6 and 4×4 with the same tyre size, similar tuning, similar towing weights & loaded up for touring The 6×6 was 1 litre per 100KS Heavier on Fuel Consumption.