Super Deal – 10t x 3″ Gooseneck Coupling plus 3″ Tow Ball

$810.78 $737.07 inc GST

  • CM520 – CRN 47029
  • CM298 – CRN 47277
  • D-Value 58kN

99 in stock

SKU: CM520-1


10t x 3″ Coupling – 3″ Tow Ball Combination has been tested and rated to 10,000kg. CRN 47029

3′ Tow Ball x 10,000kg – 2′ DIA Shank – 40mm Shoulder – 45mm Thread Length – CRN 47277

Important: Select the correct pintle hooks from our D-Value sheet. Example, kN of your Coupling correctly matches your vehicle and trailer.

Coated with a chrome ElectroGal for longer life and improved aesthetics,

  • CM520
  • CRN 47029
  • D-Value 58kN
  • V-Value 40kN

S-Value or the static vertical ‘Coupling’ load (kN) = 9.81 x S where:  S = ‘ATM’ – ‘GTM’ (tonnes).

This chart will help you to calculate D-Value for your rig.tow balls

5th wheel couplings or the gooseneck horse-float coupling is ideal for mobile homes, horse floats and caravans over 4.5t. This coupling operates via a tow ball cm298 (Not Included) inserted in or on the bed of a pickup or similar truck of suitable capacity.

The tow ball is 3-inch diameter with a 2-inch shank.

Note: the CM520 Gooseneck coupling can only be matched with the CM298 3″ tow ball. This is an ADR requirement.

On occasions tow balls require reinforcement. We can provide a ring base to fit onto the tow ball.

The ring below has a diameter of approx 120mm and is 37mm in height. Designed to strengthen the plate between chassis rails by spreading the load across a greater surface area.

Click the image to purchase the reinforcement ring.

The CRN for this Approved Gooseneck Coupling is 47029.


View ADR Approval Letter Here

When you purchase from Couplemate Trailer Parts, your CRN identification number for this product is located on your Invoice. The CRN on the approval letter will be the same CRN on your Invoice.

Show vehicle inspectors this invoice during inspections of your trailer or vehicle if required.

Furthermore, if you are buying a similar product without a CRN and your trailer or vehicle is older than July 2009, therefore, it is not legal to use on Australian roads.

Finally, validate CRN Approved products by typing the manufacturer’s name here.

Regulations for Towing and Accessories over 4.5t

10t x 3″ Coupling – 3″ Tow Ball Combination

Additional information

Weight 13 kg
Dimensions 20 x 20 x 20 cm


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