Hub-Odometer | Caravans and Trailers

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Hub-Odometer for Caravans, RVs, Horsefloats and Trailers

The Hub-Odometer is a precision tool to ensure an accurate log book for trailer or caravan maintenance.

A single hub-odometer is a 2 piece aluminium device that has moving parts to measure and record distance.

This 2 piece device allows the hub-odometer to be easily removed to check bearings.

Caravan hubodometerSelecting the correct hub-odometer is as simple as choosing the outer bearing number from the list below.

Note, if you would like the 316 Stainless Model for your boat trailer, please call the experts on 0733483822.

What hub-odometer fits your bearings?

Special Note: a hub-odometer measure the circumference of new tyre size. Worn and older tyres will vary a little to the actual distance covered.

Select your tyre size for configuration.

How to Program your Hub-Odometer

Program the hub-odometer on your caravan to the tyre size available from the above links.

The how to program the hub-odometer sheet is available for download and printing by clicking this – link.


We recommend using a piece of wood and a hammer to install Hub-Odometer. The timber should cover the entire device, so the hammer load is even on all points when tapping it into position.

Note: It is essential Locktite is applied when hub-odometers are inserted into hubs to help prevent them from becoming dislodged during transit or stolen.

Some hub bosses can vary by as much 0.2mm.

This variation in some manufacturers hub sizes can cause a loose fitting bearing buddy.

We recommend a medium strength locking compound on all bearing buddies and Hub-odometers.

The Loctite applied on the fitment surfaces will help prevent the Hub-odometer from dislodgement from branches and rocks in extreme offroad conditions.

Log Book

A good start for your logbook caravan servicing would be

  • 500 km after taking delivery.
  • 5000 km highway or 1000kg offroad.

Hub-odometers installed on caravans, and other rigs trigger a service level for manufacturers. Warranty issues are easier to understand when accurate kilometre reads are available.

The manufacturer’s checklist will incorporate some of the items below. However, this same list is a good start for the DIY brigade, with older rigs.


  1. Bearing check.
  2. Tyres wear check.
  3. Electric brakes and/or disc pads check.
  4. U-Bolt check.
  5. Shackle bolts, bushes and shackle plates check.
  6. Gas lines.
  7. Coupling tightness.
  8. Wheel nuts for tightness.

Did you know

Car tyres are tuned to your car speedo when new. Tyres have a specific circumference for each tyre.

Tyre wear as little as 10mm will drastically lower the actual speed, and the distance you have travelled, however, your gearbox rotations governs the speedo.

An example is, if you are driving at 105 kilometres per hour, your actual speed will be 100 kilometres per hour on used tyres.

To confirm your actual speed, we recommend using the GPS in your mobile phone for a more accurate reading.

Probably a good explanation of why Police have let me go after my speedo said 105 kph. The speedo is often wrong unless the car tyres are new.


Couplemate Trailer Parts sells only the best quality Hub-Odometer | Caravans and Trailers and spare parts throughout Australia. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart. We also ship products to New Zealand via Australia Post Air Express.

Additional information

Weight 1 kg
Dimensions 6 × 6 × 8 cm
Axle Profile

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