What’s New

4Terrain General Installation Notes

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The function of the clutch is to transmit the power from the engine to the transmission and also to disconnect the power to allow gear shifting and the vehicle to stop. Clutches should provide:

  1. Smooth engagement, (no shudder)
  2. Positive drive, (no slip)
  3. Efficient gear change (no grating gears)
  4. Ability to absorb noise and vibration from the engine and to stop it from reaching the gearbox which can cause harmonic noise and or gearbox rattle, (roll over noise)
  5. Durability

If the clutch is held excessively at point of engagement (holding the vehicle on hills using the clutch) or by trying to rock the vehicle as is the case sometimes when 4WD driving on rough terrain the heat that is generated can be extremely high, which can cause clutch fade (similar to brake fade) even to point of the clutch disc linings burning to dust in the bell housing. Another way to look at a clutch is that it is a fuse in the driveline and like any fuse if there is too much asked of it, it will fail.

Please keep the above in mind next time you are overworking the clutch.

 TIPS

  • Make sure the dust boots and seals are in good condition to prevent water and mud ingress which may cause clutch concerns.
  • Don’t ride the clutch
  • If you do overheat the clutch allow it time to cool.
  • Use the gearing in the vehicle to your advantage instead of slipping the clutch.
  • Save the clutch in extreme conditions and use the winch.

A standard clutch will withstand some of punishment but if you have a highly modified vehicle or if you have experienced clutch concerns.

 

Contact Us: Mantic Clutch is Australia’s only manufacturer with full Engineering and Test support services. Contact us at [email protected] if you require further technical support.

 

 

4Terrain Ultimate, More Than a Heavy-Duty Clutch

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4T Ultimate with Patented* ER² Groove Design has several features which make the product distinctly new. It is comprised of a cover assembly, clutch disc and release bearing (Some kits also include a solid replacement flywheel or DMR).

The cover assembly incorporates a premium corrosion resistant surface finish, which exhibits excellent resistance to oxidation over a prolonged period of time. In addition the clutch pressure plate incorporates 4T Ultimate’s exclusive ER2 design technology.

The cover assembly’s pressure plate is manufactured from Spheroidal Graphite casting material and has a yield strength some 300% higher than standard castings. The materials microstructure also improves heat dispersion. The cover assembly incorporates greater clamp load than a standard cover assembly. This translates to more torque capacity.

The kit’s clutch disc has a unique flywheel side friction material. The Aramid friction material exhibits 50% less wear than a conventional clutch disc’s friction material. This material also reduces the effects of clutch fade. Fade is the decline in the clutch system’s ability to transmit torque as operating temperatures increase.

These features in combination with the previously mentioned microstructure of spheroidal graphite casting and ER² Technology allows the clutch kit to dissipate heat far more effectively, allowing the clutch to run cooler for longer.

It also means that the clutch system is capable of transmitting greater than 60% more torque than a standard Clutch Kit making it suitable for demanding conditions. This overall Torque Capacity increase has been achieved by higher Clamp Loads, increased Mean Effective Radius of the pressure plate, better cooling and higher coefficient of friction materials on the Clutch disc.

The Patented* pressure plate with ER² grooves are precision machined with CAD/CAM technology. The design enhances the performance in 2 ways. Firstly it increases the torque capacity of the cover assembly and secondly it assists with cooling which in-turn enables the friction material to operate at lower temperatures and therefore at a higher coefficient of friction. Again this enhances the torque capacity of the clutch.

Get Into The Groove with ER² Clutch Cover Assemblies

 

 

4Terrain Ultimate Cover Assemblies with the Patented* ER2 Groove Design features a unique groove pattern which is CNC machined on the friction face of the pressure plate.

This groove has been specifically designed to increase the Mean Effective Radius of the pressure plate and assist in heat removal. The increase in the Mean Effective Radius of the cover assembly gives a significant increase in torque capacity.

By adding the groove to the pressure plate, the inside radius of the friction face has effectively been increased. The first 8mm of the pressure plate has all but been removed and added to this, there is progressively less material removed as the radius increases. The net effect of this is to move the effective inside radius further out.

When comparing the Mean Effective Radius (Rm) of the ER2 version to the non ER2 version you can see the ER2 version is further out. This increases the torque capacity of the clutch. Torque capacity is directly related to Rm.

 

 

New 4WD Clutch Range

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An OE vehicle comes fitted with a standard clutch and this is suitable for most drivers, but we’re not all standard drivers. If an engine is modified, or if the vehicle is under a higher strain than normal (like 4-wheel driving or towing heavy loads) an upgraded clutch is required.

We stock a wide range of clutch upgrade brands and one of the newest and most popular range of 4WD clutches is the 4Terrain Heavy Duty clutch system. 4Terrain Heavy Duty is made by Clutch Industries who have over 69 years’ experience designing and engineering clutch systems for Australian conditions.  The product is ideal for applications where the standard clutch is stressed beyond typical daily driving conditions, such as towing, trade/commercial use or off-road driving.

4Terrain Heavy Duty delivers an increase in torque capacity while also increasing the life of the clutch through improving the following components.

Preview(opens in a new tab)

High Clamp, Grooved Cover Assembly

4Terrain Cover Assemblies all feature a high clamp, SG Iron pressure plate along with the Patented ER2 Groove Design feature a unique groove pattern which is CNC machined on the friction face of the pressure plate.

This groove has been specifically designed to increase the Mean Effective Radius of the pressure plate and assist in heat removal. The increase in the Mean Effective Radius of the cover assembly gives a significant increase in torque capacity which is backed up by dyno testing.

By adding the groove to the pressure plate, the inside radius of the friction face has effectively been increased. The first 8mm of the pressure plate has all but been removed and added to this, there is progressively less material removed as the radius increases. The net effect of this is to move the effective inside radius further out.

When comparing the Mean Effective Radius (Rm) of the ER2 version to the non ER2 version you can see the ER2 version is further out. This increases the torque capacity of the clutch. Torque capacity is directly related to Rm.

More Friction Material

The 4T Heavy Duty clutch disc features a 25% thicker friction material for longer life, this is backed up by a 3 Year/50,000Km warranty which is the best warranty in the market.

Everything you need to get the job done

A 4Terrain Heavy Duty clutch kit comes with everything you need to do the job including the release bearing or CSC, spigot bearing and clutch aligning tool. Also, 4T Heavy Duty has a range of replacement flywheel kits to take away the hassle of sending the flywheel off to be machined.

The 4Terrain Heavy Duty Clutch system is built to endure the rugged demands of hard-working vehicles and is a logical choice for anyone who demands relentless reliability.

For more information, visit https://www.manticclutch.com/

 

 

 

 

Get Into The Groove with ER² Clutch Cover Assemblies

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4Terrain Ultimate Cover Assemblies with the Patented* ER2 Groove Design features a unique groove pattern which is CNC machined on the friction face of the pressure plate.

This groove has been specifically designed to increase the Mean Effective Radius of the pressure plate and assist in heat removal. The increase in the Mean Effective Radius of the cover assembly gives a significant increase in torque capacity.

By adding the groove to the pressure plate, the inside radius of the friction face has effectively been increased. The first 8mm of the pressure plate has all but been removed and added to this, there is progressively less material removed as the radius increases. The net effect of this is to move the effective inside radius further out.

When comparing the Mean Effective Radius (Rm) of the ER2 version to the non ER2 version you can see the ER2 version is further out. This increases the torque capacity of the clutch. Torque capacity is directly related to Rm.

 

 

 

Petrol 4.0 Ltr Prado, FJ, Tacoma & Tundra Off-Road Performance Clutch

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4TU2653N

MODEL MODEL MODEL ID ENGINE SIZE ENGINE ID YEAR
Toyota FJ Cruiser GSJ15  4.0 Ltr MPFI 1GR-FE 179kw 1/06 ON
Toyota Prado GRJ120 4.0 Ltr MPFI 1GR-FE 179kw  8/04-7/09
Toyota Prado GRJ150 4.0 Ltr MPFI  1GR-FE 202kw 8/09 ON
Toyota Tacoma GRN225 4.0 Ltr MPFI 1GR-FE 179kw 9/04-4/08
Toyota Tacoma GRN245 4.0 Ltr MPFI 1GR-FE 179kw 5/08-7/15
Toyota Tacoma GRN265 4.0 Ltr MPFI 1GR-FE 179kw 9/04-4/08
Toyota Tundra GSK30 4.0 Ltr MPFI 1GR-FE 179kw 8/04-11/06
​

Globally this 4Terrain Ultimate kit suits a large number of recreational 4×4 as well as commercial pickups. In particular the FJ has been embraced by recreational four wheel drive enthusiasts because of its unique styling, short wheel base and high powered engine. So a clutch upgrade that handles more torque and increases heat dispersion all while giving a great pedal feel is vital for these enthusiasts.

Clutch Industries is proud to announce the introduction of a 4Terrain Ultimate Clutch Kit to suit these applications.

Featuring:

  • Chrome Vanadium Diaphragm for maximum durability.
  • Cl’s ER2 grooved pressure plate patented technology for greater torque capacity and increased heat dispersion.
  • SG Iron pressure plate with a yield strength 300% higher than standard
  • Dual friction clutch plate with low wear, high coefficient of friction aramid buttons.

This kit includes:

  • 4TU Cover assembly
  • 4T Clutch Disc      
  • Thrust Bearing
  • Spigot Aligning tool

 

FULL CLUTCH KIT RANGE
TORQUE CAPACITY
BRAND
DETAILS
PART NUMBER
PEAK
RECOMMENDED
SG Iron ER² Cover with dual friction aramid disc
4TU3056N
726Nm
484Nm
Upgraded cover assembly with rganic disc
R3056NHD
580Nm
387Nm
  
Standard replacement
R3056N
Meets or exceeds OE Specs
 

Toyota Hilux 2.7 Litre Off-Road Performance Clutch

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4TU3056N

MODEL MODEL MODEL ID ENGINE SIZE ENGINE ID YEAR
Toyota Hilux TGN121R 2.7 Ltr MPFI 2TR-FE 07/15 – ON

The Toyota Hilux has been the popular option as a dependable workhorse for over 60 years and the new variants are no exception. Whether you’re carrying heavy loads, towing or modifying the engine your should be thinking of upgrading your clutch system so that you’re able to deliver that torque to the ground.

Clutch Industries is proud to announce the introduction of a 4Terrain Ultimate Clutch Kit to suit these applications.

Featuring:

  • Chrome Vanadium Diaphragm for maximum durability.
  • CI’s ER2 grooved pressure plate patented technology for greater torque capacity and increased heat dispersion.
  • SG Iron pressure plate with a yield strength 300% higher than standard castings.
  • Dual friction clutch plate with low wear, high coefficient of friction aramid buttons.

This kit includes:

  • 4TU Cover assembly
  • 4T Clutch Disc
  • Release Bearing
  • Spigot Bearing
  • Aligning tool
 
FULL CLUTCH KIT RANGE
TORQUE CAPACITY
BRAND
DETAILS
PART NUMBER
PEAK
RECOMMENDED
SG Iron ER² Cover with dual friction aramid disc
4TU3056N
726Nm
484Nm
Upgraded cover assembly with rganic disc
R3056NHD
580Nm
387Nm
  
Standard replacement
R3056N
Meets or exceeds OE Specs
 

ISUZU D-Max TF Off-Road Performance Clutch

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4TU2653N

MODEL MODEL MODEL ID ENGINE SIZE ENGINE ID YEAR
Isuzu D-Max TF 3.0L VCDi, 130kw 4JJ1-TCX, 5sp 06/2012- On

Popular for both work and play the D-Max performs well at towing, carrying heavy loads and roughing it off road. Now ECU chipping is getting increasingly popular with various system available offering torque increases from 15% up to 30% .

The issue many owners find is that the clutch fails soon after the chip has been installed. So the need for a upgrade clutch that can handle the increase torque and heat while still feeling having a great pedal feel is so important. Mantic Engineering (a division of Clutch Industries) is proud to announce the launch of the new 4Terrain Ultimate to provide a perfect solution for this problem.

Featuring:

  • Chrome Vanadium Diaphragm for maximum durability.
  • Cl’s ER2 grooved pressure plate patented technology for greater torque capacity and increased heat dispersion.
  • SG Iron pressure plate with a yield strength 300% higher than standard castings.
  • Dual friction clutch plate with low wear, high coefficient of friction aramid buttons.

This kit includes:

  •  4TU Cover assembly
  •  4T Clutch Disc
  •  Release Bearing
  •  Spigot Bearing
  • Aligning tool
  • 4Terrain crate
 
FULL CLUTCH KIT RANGE
TORQUE CAPACITY
BRAND
DETAILS
PART NUMBER
PEAK
RECOMMENDED
SG Iron ER² Cover with dual friction aramid disc
4TU3033N
838Nm
587Nm
SG Iron ER² Cover with 25% increased thickness organic disc
4T3033NHD
762Nm
533Nm
Standard Replacement
R3033N
Meets or exceeds OE Specs.

Increasing Surface Area

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Increasing Surface Area

        UPGRADES     

Increasing the size or the surface area of a clutch increases the torque capacity of the system, however unlike brakes you’re generally not able to simply install a larger clutch. There are two methods that are used by performance clutch manufactures to increase the surface area;

Multiple Plates

Installing twin or triple plates in most cases can be done without modifying the bellhousing and can double or triple the torque capacity without having a detriment to the drivability. The Mantic Track series has a range of twin and triple plate kits which feature several different plate options to suit various applications from street to track.

ER² Groove

This groove is a patented system that has been specifically designed to increase the Mean Effective Radius of the pressure plate and assist in heat removal. The increase in the Mean Effective Radius of the cover assembly gives a significant increase in torque capacity.

By adding the groove to the pressure plate, the inside radius of the friction face has effectively been increased. The first 5/16 inches(7.9375mm) of the pressure plate has all butbeen removed and added to this, there is progressively less material removed as the radius increases. The net effect of this is to move the effective inside radius further out.

The Mean Effective Radius of the clutch is directly proportional to the torque capacity of the system. Therefore as the Mean Effective
radius increases so does the Torque Capacity of the clutch. This system can be found in both the Mantic and 4Terrain performance clutch range.

 

 

 

Friction Material

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Changing the friction material on a clutch disc can increase the torque capacity and can improve the thermal properties. Common clutch disc materials are;

Organic – Most commonly used on OE applications this material is great for drivability but is not suited for
high performance applications due to poor torque capacity when hot.

Aramid – Generally a mixture of organic and aramid this compound has the drivability of standard organic material with much higher torque capacity and better heat resistance. Found in 4Terrain Ultimate this material is perfectly suited to 4WD applications where higher performance is needed without any compromise to drivability.


Cerametallic/Ceramic – Suited to high performance or race applications this material can handle a high level of heat while also giving a massive increase in torque capacity (66% increase
over organic material). Unfortunately, the drivability is significantly decreased as the material gives a more aggressive engagement than organic material. This material can be found in the Mantic performance range.