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50mm Tow Ball – 3,500kg

$16.65$60.46 inc GST

or 4 fortnightly payments from $4.16 with Afterpay More info

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made in australia

Couplemate Tow Balls are Registered as Australian Made

50mm Tow Ball – 3500kg

50mm Tow Ball – 3500kg – Long Shank 62mm. Shank 62mm. 22mm Dia. Tested and Compliant to AS4177.2, Caravan and light trailer towing components

One of the simplest and most practical forms of a tow hitch, the 50mm tow ball provides a good swivelling and fastening action.

Typically, you’d mount the tow ball onto the chassis of your tow bar to pull your trailer or caravan.

Shank Sizes

  • 22mm Diameter
  • 25mm Diameter


The Motor Vehicle Act of 2018 requires all trailer parts to be tested and certified.

Couplemate tow balls are tested to comply with AS4771.2. Tow balls are tested to 85kN and held at 85kN for a period of not less than 10 sec.

You may find this video interesting. Watch the computer monitor in the background.

From the video, what is 85kN? (8667.59kg). 

Yes, 3500kg tow balls satisfy the Australian Standard and are tested to a min standard of (8667.59kg).

Technical Specs:

  • Weight- 2kg.
  • 3500kg rated.
  • 22mm or 25mm Shank Size.
  • 50mm Ball Size.
  • Tested to 85kN.
  • Spring washer is preferred to a lock washer.
  • Dimensions- 10cm x 6cm x 6 cm.
  • Compliant with AS4177.2.

Couplemate stocks variants of this product

Sources: Wikipedia Towing Hitch

Couplemate Trailer Parts sells only the best quality 50mm Tow Ball – 3,500kg 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 April 5, 2016. 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.

Last Updated on

Additional information

Weight 2 kg
Dimensions 10 × 10 × 10 cm
Shank Diameter



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