50mm Square Axle

$223.94$2,453.97 inc GST

or 4 fortnightly payments from $55.99 with Afterpay More info

Engineered for Quality

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50mm Square Axle Caravan Trailer Boat

Australian made and Australian owned

50mm square axle is the axle of choice to tow your rig straight and true. Vibration fatigue is never going to happen on this axle loaded to 2.25t.

Couplemate manufacturers axles from BlueScope steel in our Wynnum, Brisbane workshops.

Note: Please advise your axle length, either tip to tip length or face to face measurement and axle profile after ordering. Example 2t, 3t, parallel, slimline.

The Face to Face measurements to calculate Tip to Tip measurement is as follows: –

50mm Square Solid Axle ratings:

  • Slimline 1450kg
  • Parallel 1600kg
  • 2 tonne
  • 3 tonne depending on the length and bearing configuration.

Solid Axles rarely causes problems.

50mm square parallel axle can vary greatly in price. Axles are manufactured in a variety of places, India, China, Malaysia, Australia.

The only real problems come from imported steel causing steel fractures along the beam and in the consistent hardness of the beam.

Other Common Problems and Tips:

If your 50mm sq parallel trailer, caravan axle is not properly engineered you may experience excessive bearing wear.

  1. Rough seal journals can cause a loss of grease through the rear seal.
  2. Some suppliers supply non-virgin steel or scrap steel and forge this steel into solid square or round shape for axle production. Always ask for Australian Steel.
  3. Chinese bearings are the second biggest cause of axle failure.
  4. If you plan to get onto a highway, use Japanese bearings.
  5. The combination of Japanese Bearings and 50mm Square Axle will help you greatly with lower maintenance for your rig.
  6. Are your tandem tyres wearing unevenly? How to Align Caravan Wheels
  7. Axle Steel explained.


We rarely have problems with these larger kits.

A Couplemate assembled axle with Japanese gives you our unconditional guarantee of a well made, well-backed axle assembly.

Caravan upgrades are explained here.

More axles and their maximum rating can be found here.

Finally, a lightweight solution to a heavy 50mm square axle is a hollow axle.

50mm Square Axle Caravan Trailer Boat

Couplemate Trailer Parts sells only the best quality 50mm Square Axle and caravan spare parts throughout Australia.

Customers are welcome to either pickup or take advantage of our low freight rates. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart.

We also ship products to New Zealand via Australia Post Air Express.

© Steve Wotherspoon August 13, 2014. Images and text may be copied, provided a link back to the copied page and the source is displayed where the content or image is located.

Additional information

Weight40 kg
Dimensions200 × 5 × 5 cm
Tip to Tip Measurement

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Axle Profile

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