PARABOLIC LEAF SPRINGS


800KG+ LOAD-BEARING CAPACITY

Most suspension on a mine site is doing two jobs at once: carrying real weight and surviving hours of rough haul roads every shift. Stiff, factory-style leaf springs handle the first job fine and do a poor job of the second, transmitting every bump straight into the cabin and the chassis.

TAKEO’s parabolic leaf springs are engineered to do both properly. Tapered leaves flex independently for a smoother ride, without giving up the load capacity a mining fleet actually needs. Built specifically for crew transport and equipment carriers working underground and on open-pit haul roads, where ride quality and durability can’t be a trade-off.

SPECIFICATIONS

  • Tapered, parabolic leaf design — reduces inter-leaf friction compared to multileaf springs
  • Available in 450kg and 800kg load ratings
  • Reinforced eyelets to handle heavy-duty mining duty cycles
  • Upgraded anti-corrosion coating for underground conditions
  • Upgraded shockpads for smoother, more stable handling
  • Direct-fit upgrade — no vehicle modification required

Engineering Notes

  • Suspension corrosion resistance is a specific design requirement on mine sites, not an afterthought. Autoline’s own suspension range is described as specially coated to resist corrosion because mine sites present a highly corrosive operating environment for metal components.
  • Ride quality connects directly to a recognised occupational health issue in mining: whole-body vibration (WBV). Vibration transmitted from rough terrain through the suspension and into the seat is measured in Australia against AS 2670.1 (based on the international ISO 2631-1 standard), and published research has linked long-term WBV exposure to back pain and musculoskeletal strain in mining vehicle operators. NSW mining regulations specifically require sites to manage WBV exposure through a documented Health Management System.
  • Vehicle fit-out standards on Australian mine sites commonly require fixed seating, ROPS/FOPS and other compliance items for light vehicles — a poorly controlled ride quality places extra stress on those fittings, and on the occupants, over the course of a shift.

RESOURCES

VEHICLE COMPATIBILITY

CodeDescriptionVehicle Compatibility
OE-48210-79S800P+REAR LEAF – TAKEO 79 SERIES 3+1 Parabolic 800kgLandCruiser 76 78 79 Series – VDJ – 2007-on
OE-48210-79S450P+REAR LEAF – TAKEO 79 SERIES 2+1 Parabolic 450kgLandCruiser 76 78 79 Series – VDJ – 2007-on
OE-48210-79S800+REAR LEAF – 800KG – TAKEO Multileaf Leaf Spring 8+2LandCruiser 76 78 79 Series – VDJ – 2007-on
OE-48210-79S600+REAR LEAF – 600KG – TAKEO Multileaf Leaf Spring 7+2LandCruiser 76 78 79 Series – VDJ – 2007-on
OE-48210-79S400+REAR LEAF – 400KG – TAKEO Multileaf Leaf Spring 6+2LandCruiser 76 78 79 Series – VDJ – 2007-on
OE-48210-GUN500+REAR LEAF – 500KG – TAKEO Multileaf Leaf Spring 6+2HiLux GUN126 1GD – 2015>
OE-48210-GUN300+REAR LEAF – 300KG – TAKEO Multileaf Leaf Spring 5+2HiLux GUN126 1GD – 2015>
OE-48210-KUN500+REAR LEAF – 500KG – TAKEO Multileaf Leaf Spring 6+2HiLux KUN26 1KD – 2005->2015
OE-48210-KUN300+REAR LEAF – 300KG – TAKEO Multileaf Leaf Spring 5+2HiLux KUN26 1KD – 2005->2015
OE-48210-KUN150+REAR LEAF – 150KG – TAKEO Multileaf Leaf Spring 4+2HiLux KUN26 1KD – 2005->2015

Your questions answered

Frequently Asked Questions

Here you’ll find some common questions about the featured part and what makes it stand out from the crowd.

If there’s something we’ve missed, or you just want a little more information, please contact us and we’ll be happy to help.

Contact Us

Multileaf springs use several stacked leaves of uniform thickness — reliable under heavy load but rigid and harsh on ride comfort. Parabolic springs use fewer, tapered leaves that flex progressively, giving better ride comfort, improved wheel articulation and less stress on mounting points.

The 450kg spring suits standard crew transport and equipment carriers. The 800kg option is built for the heaviest mining applications where maximum load capacity and reliability are non-negotiable.

Parabolic design is specifically intended to minimise this trade-off — the tapered leaves still flex independently at lower loads, so ride quality holds up better than a comparable-rated multileaf spring would

Yes, they’re designed as a direct fitment upgrade for the 70 Series LandCruiser with no additional modification required.

Yes — this parabolic range includes an upgraded anti-corrosion coating, and TAKEO’s wider suspension range is specially coated to resist corrosion given how harsh mine site conditions are on metal components.

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Parabolic Leaf Springs