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Matching Wheels and Tyres to suit most vehicles

Re-writing the book on matching wheels and tyres for Land Rover lovers

A major disappointment for Land Rover Discovery and Range Rover owners is to learn of the “impossibility” to match the vehicle’s wheels and tyres with that of a caravan or camper trailer.

The reason for the “impossibility” was two fold:

  1. The diameter of the studs required to match these vehicles is too tight to fit around a 2 tonne bearing, and
  2. The centre bore of the wheel was also too small a diameter to fit over the outer housing of the wheel bearing.

Several manufacturers of hubs pronounced that it was “too hard” and “too expensive” to create a new casting to overcome these two major obstacles.

So we started at first principles at Kimberley and engaged a hub design specialist, then a casting specialist and finally advice from a metallurgist to create a hub that will accept interchangeable wheels and tyres with the current Land Rover Discovery series and Range Rover Series.

We are now re-writing the book on “Interchangeable Wheels and Tyres”.

Naturally, how we have done this is proprietary and copyright and wont be published here.

What can be published is that it will be available for Kimberley Orders in March 2017.

For existing customers, there will be a retrofit pack that will be available from April 2017 and the details will be published then. It will involve changing both the hubs and disc brake calipers AND a modification to the suspension arm.

There will be limited supply through to September 2017. If you have interest in registering a reservation, please complete the form that links to the eBook on the right (eBook being rewritten in January 2017). These reservations are NOT an order; they give you priority to decide if you wish to order when the pricing and details become available.


Wheels and Tyres can be matched for most, but not all vehicles. The devil is in the detail, and with more vehicles coming to market with 17" and 18" wheels, it is important that you read below:

There are 2 important factors for consideration:

  • The hub pattern and hub face to wheel offset needed to match your vehicle
  • The final tyre size you want to use to match the vehicle
  • The hub pattern and hub face to wheel offset needed to match your vehicle

    1. The hub pattern and the wheel offset need to match. This can be done for most vehicles. The coding will be something like 5x14mm on 150 HYD +70 which means 5 stud with 14mm threaded studs on a 150mm diameter Pitch Circle Diameter stud pattern with a 70mm positive offset to the face of the hub from the wheel.

      Kimberley have more than 10 combinations available here. With 2 tonne bearings used in Kimberley Kruisers, Karavans and Kampers, the minimum PCD was 139mm but in 2017 this will be 120mm. This means vehicles like BMW, some Mitsubishi, some Land Rover and some other brands may now be accomodated.

    2. The Wheel Nuts have to match the Wheel.
      There are many types of wheel nuts and alloys in particular have a different style of wheel nuts to steel wheels. Kimberley ship the right matching stud pattern to the wheel Kimberley also provide. If you have specified that you will provide your own rims, then you will also need to pay attention to the wheel nuts as the transporter wheels are steel and steel matching wheel nuts are shipped with these.

    3. The thread type has to match. Traditionally most electric drum brakes (sourced from USA) have a UNF thread and this is an industry standard. You have to specify the right metric threads to match vehicles with metric studs (most these days)

    4. If you are travelling in off road conditions, it is a saving in fuel economy as well as easier to manoeuvre if the trailer wheels tracking width is as close as possible to the vehicle.

      For all regular large caravans, this is impossible to achieve as the width of the van and the wheel track is far wider than the vehicle. It is one of the major reasons people choosea Kamper or Karavan for off road use. However, don't worry about a few millimetres over or under. Generally getting within 50mm is quite OK. The front and rear tracking width of most 4WD's are not the same in any case. Kimberley match very closely to 100 and 200 series Landcruiser and the Nissan Patrol.

    How to Optimize Tyre Pressures and Temperatures.
    Download this comprehensive eBook here

    The final tyre size you want to use to match the vehicle.
    This is the most important matching as tyres can always be swapped from rim to rim. However, with the onset of 17" and 18" tyres, a far more important practical factor is the air volume size in the tyre. If low profile 18" wheels are used in off road conditions, you have a very small air volume for cushioning in the tyre. You also have a significant disadvantage when you deflate your tyres for sand work as the increased footprint from the deflated tyre does not increase as much as it does in a normal profile 16" tyre.

    For 18" tyres they cannot be less than the size profile fitted to the vehicle which in Toyotas case is 285/60.

    Please read the following for the Toyota 17" and 18" wheels and tyres as a guide.

    Matching 18" Wheels & Tyres for your Kimberley Offroad Camper Trailer or Caravan

    It is understandable that customer want matching wheels and tyres on their Kimberley to their vehicle but there are problems with the larger 18" wheels that you need to be aware of. These problems are not specific to Kimberley but relate to low profile, large diameter rim tyres off road.

    Our design rule is that the suspension forces on the towed Kimberley can be 3 x that on the vehicle. This is because of the pendulum effect, particularly at speed over road bumps and grid hazards. Be careful of any advice that suggests what is good for the vehicle will work for the towed unit. This is not the case!

    Firstly, when travelling on black tarmac roads there is no problem with any of these tyres, in fact stability is slightly better as the tyres are low profile (which is why they have them in the first place, together with a smarter appearance).

    However, in corrugations, the tyre pressure has to drop to 18-20 psi and these tyres do not have much of a captured air volume. They also do not increase the footprint size as much as the 16" normal profile tyres do. With lower air volume, they do not absorb the vibration from the corrugations very well. This creates higher transferred energy to the shock absorbers which if not checked could over heat. Our shock absorbers have temperature indications on them as a standard feature to assist with this.

    The large alloy 18" wheels are also more exposed to gibbers and rocks on the following trailer and will be more susceptible to scoring and damage.

    There are 2 ways to go here:

    1. Buy 18" wheels & tyres
      For the Wheels:
      a. They MUST be rated at least to 1400kgs rated load capacity stamped on the wheel.
      Landcruiser 200
      Size: 18 x8 Offset: +40mm PCD: 5/150
      Size: 18 x8 Offset: +20mm PCD: 6/139.7
      For the Tyres:
      They cannot be 10 ply and cannot be low profile (less than the size profile fitted to the vehicle which in Toyotas case is 285/60)
      The size fitted as standard on the Toyota Landcruiser 200 series is Dunlop 285/60R18 but these are not a good off road tread. They’re only a highway tyre with passenger construction, but they have a load rating of 116
      The Yokohama Geolander 285/60/R18 A/T-S  116H G012 AT. .  It is a passenger construction tyre with semi off road tread pattern and a load rating of 116. 
      There are no Cooper tyres we have found on a softer ply rating to flex for corrugations.
    2. Buy a set of 16" steel wheels and tyres for the vehicle and Kimberley Unit and use standard BFG 16" of your choice that are readily available in the bush. Use 16" steel wheels.
      Alternatively just buy the wheels and tyres in 16" for the Kimberley using genuine Toyota Wheels. Although they are different tyre, the rolling diameter will be similar and you could comfortably fit these to the vehicle if required and drive some distance in an emergency. The latter is what we recommend.