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Portal Axles installed on our dual cab
  • Toyota VDJ79 LandCruiser Portal Axles
  • Portal Axles built and ready to install into a vehicle
  • Toyota VDJ79 LandCruiser Portal Axles underneath the vehicle from the front
  • Transmission drum hand brake on transfer case
  • Transmission drum hand brake on transfer case
  • Heavy duty one piece swivel housings
  • A range of wheels and rims are available to suit the portal axle set up
  • Toyota VDJ79 LandCruiser Portal Axles underneath the vehicle from the rear
  • Toyota VDJ79 LandCruiser Portal Axles from the rear

Toyota VDJ79 LandCruiser Portal Axles

Part Number: VDJ79-LANDCRUISER-PORTALS-test

Quick Overview

The ultimate lift kit for your LandCruiser is now available

  • 6" (150mm) lift under the axle
  • Engineered to suit 35" tyres on 17" & 18" wheels
  • GVM increased to 3950kg for 79 series, 3780kg for 76 & 78 series
  • Track increased by 80mm
  • Air operated free wheeling hubs
  • Rear axle track corrected to match the front axle
  • Transmission drum hand brake on transfer case
  • Heavy duty one piece swivel housings
  • Slotted brake rotors & ceramic brake pads
  • Stainless braided brake lines
  • 2nd stage manufacture compliant
  • Legal in all states of Australia

The Portal Axles are designed to suit the following vehicles;

  • VDJ76, VDJ78, VDJ79
  • GRJ71, GRJ76, GRJ78, GRJ79

Details

The Ultimate lift kit for your LandCruiser is now available

  • 6" (150mm) lift under the axle
  • Engineered to suit 35" tyres on 17" & 18" wheels
  • GVM increased to 3950kg for 79 series, 3780kg for 76 & 78 series
  • Track increased by 80mm
  • Air operated free wheeling hubs
  • Rear axle track corrected to match the front axle
  • Transmission drum handbrake on the transfer case
  • Heavy duty one piece swivel housings
  • Slotted brake rotors & ceramic brake pads
  • Stainless braided brake lines
  • 2nd stage manufacture compliant
  • Legal in all states of Australia

Portal Axles - standard kit for brand new GXL model with factory diff locks, ABS and ESC:

  • Portal axles built onto your diffs
  • Front and rear portal axle assemblies - 16% reduction
  • A second stage of manufacturing compliance
  • Forged chrome molly heavy duty spindles
  • High performance Delios slotted brake rotors front and rear
  • High temperature brake pads
  • ADR approved stainless steel braided brake lines
  • Air operated free wheeling hubs
  • GVM upgrade
  • Breathers for Portals and diff housings
  • ARB High Output Air Compressor and mounting bracketry
  • Rubber wheel arch flare & wire retainer for front wheels

Optional extras:

Breakdown of Portal Axle build on a brand new vehicle

  • Brand new front and rear axle assemblies
  • Axle housings are checked for straightness and straightened if required
  • Additional bracing welded to housing and re-checked for straightness
  • Axle housings, swivel housings, struts and portal housings painted prior to assembly
  • Diff centre fitted with
  • Ring and Pinion ratio changed if requested
  • Factory diff lock or of fitment TJM, ARB or EATON if required
  • Swivel housings fitted using new king pin bearings and knuckle seals
  • Additional king pin bearing in the form of a ball joint fitted below the lower king pin
  • Front axle assembled using all new CV joints, axles, gears, shafts, bearings and seals
  • Slotted high performance brake rotors front and rear
  • LandCruiser 4 pot front and single pot rear brake calipers
  • High temperature brake pads
  • New ADR approved braided brake lines replacing all rubber hoses

Key Features of the Portal Axles

  • Comfort, comfort & comfort - now you can lift your vehicle and not sacrifice the on road ride quality.
  • With the addition of 35" tyres, the total increase in ground clearance is approximately 150mm (6") over standard
  • When 35" tyres are fitted, the differential to ground clearance is equivalent to having a standard live axle fitted with 43" tyres
  • Improved articulation is also experienced due to the increase in the vehicle track
  • Less body sway is also experienced due to the standard height springs and retention of the sway bars.
  • The 16% gear reduction offers this same percentage increase in strength to all of the transmission components from the CV joints back to the engine
  • Each transmission holds approximately 450ml of oil
  • The oil supplied with the portal assemblies is high quality full synthetic
  • The portal axle assemblies are supplied with breather hoses, manifold, and filters
  • Portal vehicles have undergone brake and lane change testing and have easily passed all the required tests.

 

Ground Clearance and Track

The portal transmissions have a vertical offset of 101mm (4"), this 101mm lift raises not only the body and chassis it also lifts the differentials by the same amount.

The portal transmissions increase the axle width by 100mm per side. Running positive 60mm offset 100/200 series LandCruiser rims moves the wheels back under the guards. The overall track of the vehicle is increased by 140mm. 

The Portals are designed to run 35" tyres which gives correct steering geometry.

Reduced Bump Steer compared to Suspension Lifts

A suspension lift is not required, which keeps the control arms, and pan hard rods flat.

Many customers change to heavier springs when fitting the usual long list of off road accessories such as long range fuel tanks, water tank, drawer system, dual batteries, winch and the usual front and rear bar work etc. Good quality shock absorbers are a must due to the extra unsprung weight of the Portals and larger tyres, we have had good experience with both Ironman 4x4 and King shocks but can supply whatever shocks are specified.

One of the advantages of minimal suspension modifications is better handling due to no increase in bump steer. A softer ride can also be experienced with virtually flat control arms and better tracking due to, unchanged caster angle.

Driveline Vibration

Driveline vibrations are a common experience when large suspension lifts are fitted. With minimal or no suspension lift along with reduced driveline angles, no drive shaft vibrations are experienced. This is due to the universal joints operating within their designed operating range.

Increased Driveline Strength

The torque load which is normally exerted on the differential, axles and constant velocity joints is transferred into the portal transmissions. The amount of load transferred is proportional to the gear ratio used in the transmission. The gear reduction of 1.16:1 offers a load reduction of 16%.

Lubrication

Oil is used for lubrication and is easily checked using the filler/level plug fitted on the differential side of each portal transmission. A drain plug is also fitted on the same side for ease of servicing. We use a high quality fully synthetic oil. You require about 3L of oil to service a Portal vehicle.

Breather System

The portal transmissions are equipped with external breather ports, the extended breathers are connected and run up to the firewall. We also run your diff breathers up to the firewall as well.

ABS / ESC Equipped Vehicles

The function of the ABS & ESC systems in the Toyota 70 series remains unaffected.

Tyre Size and Offset Rims

With the Portal Axles fitted the rims required are a high positive offset rim with the LandCruiser 5 x 150 stud pattern. We have used wheels from ROH, CSA and genuine Toyota.  See options below:

  • 17 x 8 +60 & +47 offset
  • 17 x 9 +47 & +40 offset
  • 18 x 9 +47 & +40 offset

Tyres to suit the 17 x 8 inch rims are limited to 315/70/17, on the 17 x 9 rims you can run 315/70/17 or 35 x 12.5 R17 and on 18 x 9 rims you can run 305/70/18 or 35 x 12.5 R18.

Front Tyre Clearance

When fitting 35" tyres to Toyota LandCruiser it is necessary to trim the rear of the front flare to give clearance to turning tyres.

Wheel hubs and bearings

The front and rear wheel hubs and bearings are standard items as found in the 70 Series Toyota LandCruisers.

Flares

As there is an increase in the vehicle's track of 70mm per side the tyres will protrude past the mud guards, to overcome this problem the portal axles are supplied with the necessary rubber flare and fixing screw kit on the front. On the rear we can supply fabricated guards for the cab chassis models.

GVM, GCM & towing information:

The towing capacity is 3500kg & the GCM is 6800kg
The GVM has increased from 3300kg to 3780kg or 3950kg (model dependent)
Please note: when the vehicle is loaded to GVM of 3780kg or 3950kg, the towing capacity is reduced to 3020kg or 2850kg respectfully

Recommended Oil:

Penrite Pro Gear 80W-140 Full Synthetic Gear Oil
Service interval - every 10,000 km's

 

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