39mm Round Galvanised Lazy Axle

$303.30$415.73 inc GST

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39mm Round Galvanised Lazy Axle

39mm round galvanised lazy or unbraked axle has a maximum capacity of 750kg. Axles over 750kg require brakes.

Tandem axles under 2,000kg require brakes on one axle. Tandem trailers over 2t require electric brakes on all axles. In the case of braking requirements for boat trailers over 2t, electrically activated hydraulic brakes are acceptable.
Australian Made

Axles and hubs are Australian made by Couplemate and Galvanised in Brisbane; as a result, you are purchasing the best equipment money can buy.

Galvanised Unbraked Axle kit comprises:

Available Stud Patterns

  • Ford - LM bearings
  • HT Holden - LM bearings
  • HQ Holden - LM bearings

Purchase larger galvanised unbraked axles

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.


Additional information

Weight 80 kg
Dimensions 220 × 15 × 15 cm
Stud Pattern

Ford 5 Stud, HT Holden, HQ Holden


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