3500kg Electric Coupling Al-ko

$114.25 inc GST

SKU: CM232 Category: Tag:


3.5t Electric Caravan Coupling

3.5t electric caravan coupling includes a park brake lever. In our opinion, the Alko® electric caravan coupling is, without doubt, the most popular brand of caravan coupling money can buy.

Key Features:

The Al-ko® 3.5t electric caravan coupling is simple to attach and complies with Australian Standard 4177.3

Your coupling must have these words on it to comply with Australian Standards.

  • Manufacturers Mark
  • AS 4177.3
  • 50mm
  • 3500kg

Electric Coupling 3500kg Rated with 1/2 inch BSW ball adjusting nut.

The adjustment nut on the head of the coupling is a 1/2″ BSW thread.

This nut prevents the Electric Coupling jumping on the tow-ball and creates and tight fit by removing slop that can occur through wear,

Electric Caravan Coupling Adjustment:

To properly adjust this nut;
  • Put pressure on the Electric Coupling head so that it is firmly on the tow-ball.
  • Loosen the nut.
  • Screw down the thread so that you can feel it touch the top of the tow ball.
  • Now tighten the locking nut being careful not to unscrew the threaded screw.

Finally, you have a cable adjust to check.

The cable running down to each handbrake lever should be tight but not overly tight. Adjust the cable brake adjuster just behind your handbrake until this cable is taut.

One final thing, your coupling weight, when attached, should be around 8% of your total load. Your coupling should now be tight and ready to tow.

Sure, there are cheaper couplings on the market. We buy and recommend only the best products for your investment dollar.

Purchase trailer couplings here

Couplemate Trailer Parts sells only the best quality 3500kg Electric Coupling Al-ko 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 May 10, 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

Weight8 kg
Dimensions40 × 20 × 10 cm


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