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725kg Dexter Stub Axle Insert

$37.50$40.00 inc GST

or 4 fortnightly payments from $9.38 with Afterpay More info

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725kg Dexter Stub Axle insert for 50mm Box Steel

725kg Dexter stub axle insert for 50mm x 4mm Box Steel. 2 x stub axles is 1450kg.

Advantages of box steel axles are:

  • Lowers the trailer weight.
  • Lowers transportation cost.
  • Box Steel can be sourced locally.

Of note is the 20mm black unmachined section on these stub axles. This is the weldable area where the stub is welded to the box section.

Ensure the box section has 4mm wall thickness to achieve the full rating. The effect of thinner walls is a lowering of the rating.

There is no need to weld axle pads. Instead, mark the box section where the centre bolt of the spring will be located and drill a hole into the box section and the end of the stub axle.

The spring will be located perfectly into position once u-bolts are tightened.


It is not recommended to run electric cabling through the hollow axle as axle vibration under extreme. The resultant vibration causes the insulation to wear causing short circuits in the 12v cable.

Chassis rails do not undergo the same vibration. Running electric cables inside chassis rails is common.

To summarise, Couplemate stub axle inserts are also available for parallel and Dexter 1.59t hollow axles.

AL-KO Tube Axles

Al-ko also has a range of lightweight tube axles.

Tube axles offer significant weight saving compared to a solid beam. Due to their stiffness & design, their capacity doesn’t reduce proportionally to their weight.

This makes tube axles attractive to manufacturers who want to reduce the weight of their trailer or caravan but still maintain the same carrying capacity.

Further, the AL-KO range of tube axles is made in Australia from premium materials specifically to suit Australian conditions. All axles and drums are zinc plated eliminating paint issues.

More suspension stub axle inserts:

Finally, Al-ko tube axles are rated up to 2.25t.

Couplemate Trailer Parts sells only the best quality 725kg Dexter Stub Axle Insert 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 November 3, 2018. 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

Weight4 kg
Dimensions25 × 5 × 5 cm
Axle Profile

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