45mm Square Unbraked Lazy Axle Kit

$386.00 - $613.00

Couplemate - Engineered For Quality

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45mm Square Lazy Axle Assembly

45mm square unbraked lazy axle kit includes hubs and Japanese bearings.

If you require a galvanised 45mm square axle, please click this link. Our axles are cut from Australian steel and galvanised in Brisbane. We then machine the finished galvanised product.

Need tips on what you need a square parallel axle?

  • Upgrade your camper for Cape York Country.
  • A more practical solution is upgrading a tandem trailer that rated to 2000kg. The rear axle load capacity can “be beefed” to up to carry more of the load thereby reducing bearing wear while increasing component life.
  • The rear axle on a tandem trailer carries most of the rated capacity. Changing this axle from slimline to parallel makes a lot of sense if you are already running Landcruiser rims.

The 45mm Square  Axle Assembly comes with Japanese bearings and hubs, ensuring the best quality. It consists of the following:

45mm Square Axle Assembly is ideal for trailers up to 1450kg on slimline bearings and up to 1600kg on parallel bearings.

Purchase Japanese bearings by clicking this link.

Note: Recommended for heavier single axle loads, tandem trailers or wide trailers over 2000mm. Very popular axle for car trailers and the top axle choice for horse floats.

Our 45mm square unbraked axle assembly is your solution to axle flex from smaller axles.

Axle Flex will rapidly wear your springs due to the reverberation of vibration from the centre of the axle back to the spring.

As a result of axle flex, the spring is working twice as hard as it should.

Read our article about vibration fatigue.
45mm square lazy axle

Axles and Ratings are as follows

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.
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

Weight70 kg
Dimensions240 × 50 × 50 cm
Stud Patternss

Ford Parallel, 5 Stud Landcruiser – Parallel, 5 Stud Landrover Defender 5/8 Parallel x 6.5-inch P.C.D., 6 Stud Landcruiser – Parallel, Ford (5 x 114.30mm), Holden HT (5 x 107.95mm), Holden HQ (5 x 120.65mm), Holden Commodore (5 x 120mm), Land Cruiser 6S, Land Cruiser, 5s Landcruiser (5 x 150mm), 5S Landcruiser – 5 x 14mm Studs, Nissan – 6 x 1/2 UNF Studs, Nissan – 6 x 12mm Studs, Ford F100 – 5 x 1/2 UNF Studs, 5 Stud Landrover Discovery 5/8, 5 Stud Landrover Defender

Axle Profile

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.


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