45mm Square Electric Brake Axle Kit

45mm Square Electric Brake Axle Kit


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45mm Square Electric Brake Axle Kit

45mm square electric brake axle kit provides additional strength under all conditions for caravan rated braking loads.

Where are these axles made?

Couplemate axles are classified and registered as Australia Made® with most components manufactured in our Wynnum workshops, Australia. Products made in Australia by Australian labour is your guarantee of quality craftsmanship.

The 45mm Square Axle is the axle of choice for all quality caravan builders. Smaller axles can cause axle fatigue.made in australia

Here is Why Couplemate Make One of the Best Electric Brake Axles

  • BlueScope Steel
  • Australian made Drums
  • Premium electric Backing plates
  • Japanese NSK® Bearings
  • Pre-adjusted brakes
  • Finally, Couplemates lifetime warranty against faulty craftsmanship.

Learn here how to fix vibration fatigue.

In short, an overloaded axle causes axle fatigue. Axle fatigue is common for 39mm round axles and some 45mm round axles. The wider the axle, the more susceptible to axle fatigue. Fatigue will cause your springs and all of your trailer attachment to age prematurely.

45mm Square Electric Brake Axle Kits

  • Ford - 5 Stud x 1/2"
  • Ford OffRoad - 5 Stud x 1/2"
  • HT Holden - 5 Stud x 7/16"
  • HQ Holden - 5 Stud x 7/16"
  • Commodore - 5 Stud x 7/16"
  • Landcruiser  - 5 Stud x 9/16"
  • Landcruiser Parallel  - 5 Stud x 9/16"
  • Off-Road Landcruiser - 5 Stud x 9/16"
  • Off-Road Parallel Landcruiser - 5 Stud x 9/16"
  • Landcruiser - 6 Stud x 1/2"
  • Landcruiser Parallel - 6 Stud x 1/2"
  • Off-Road Landcruiser - 6 Stud x 1/2"
  • Off-road Parallel Landcruiser - 6 Stud x 1/2"
  • 6 Stud Nissan - 6 Stud x 1/2"
  • 6 Stud Nissan OffRoad - 6 Stud x 1/2"

We back Australian craftsmanship with a lifetime warranty on faulty products made by Couplemate®.

Calculating The Correct Axle Measurements

As a result of viewing the video above, calculate the face to face measurement.
  1. Measure the offset wheel. The wheel offset is the distance between the inside of the hub and the outside of the rubber.
  2. Add 50 mm to the offset. Alternatively, choose your own distance between the rubber and the chassis.
  3. Multiply by 2 for both sides. Add your chassis width to the above number.

Metric to Imperial Converter

Convert Imperial (inches) to metric (mm)

  • =

Still unsure of what measurements to take? Check out this handy guide below:

[P] - Check material specifications. What size and profile is the axle (for example, 45mm Square)
[T] - Overall axle length (tip to tip)
[F] - Hub face to hub face measurement
[A] - Chassis width
[C] - Tyre clearance
[B] - Back offset
[H] - Tyre to chassis
[G] - Axle pad centres

How To Measure An Axle

Identifying Bearing Combinations

You will also need to identify your bearing combination which can be done by pulling off a hub and bearings, and locating the number laser engraved onto the bearing. You will require both the inner and the outer bearing number.

Where to identify bearing number. Look for the laser engraved number on the bearing.

Purchase other braked axles here: