75mm Pintle Ring Coupling CTA-045953

75mm Pintle Ring Coupling – 49kN

Australian-made and ADR-approved, the Couplemate™ 75mm Pintle Ring Coupling is for heavy-duty towing.

An example of a rating is a 10-t trailer towed by a 10-truck; the D-value is 49kn. (Refer to the table below for the calculation of your towing combination.)

Another example is a 20-ton truck that can tow a 6-ton trailer; the D-Value is 45kN. The table below shows variable towing capacities.

The CM255 Ring Coupling is vital to the Couplemate™ Core towing range. It is a popular and reliable choice on trailers Australia-wide.

With a 75mm (3″) internal diameter, the Couplemate™ Pintle Ring suits a variety of Pintle Hooks. When towing with Combination-type Pintle Hooks, Couplemate™ recommends using a Tow Ball Protector to increase product lifespan and reduce noise.

The CM255 Pintle Hook Ring Coupling requires four M16 high-tensile bolts to attach to the trailer drawbar (not included).

With a complete 12-month warranty, you can feel confident towing around Australia. Read our warranty policy online here.

Product Specifications

• SKU: CM255
• Towing Capacity: 6000kg (6.0t)
• D-Value: 49.2kN
• Hole Spacings: 180mm x 52mm
• Australian Design Rules ADRs

View the complete Engineering drawing by clicking here.

What Pintle Hooksare compatible with this Ring Coupling?

• Premium Combination Pintle Hook
• 3.5t Combination Pintle Hook – 6t Ring Coupling
• 6.0t Combination Pintle Hook (33.6kN)
• Truck Pintle Hooks – CTA Approved

ADR Approved Pintle Ring Coupling

The CM255 Fixed Pintle Hook Ring Coupling falls under ADR 62 and has been granted a Component Type Approval (CTA-045953).

Buying a product with a CTA number assures customers that the product has been developed, tested, and presented to the market with no development or manufacturing corners cut. In a sense, a CTA assigns pedigree to a component, providing a testament of quality.

When you purchase from Couplemate™, CTA-related documents will be available to download. As vehicle inspectors may want these certifications, all downloads are kept in your online Couplemate™ account.

To access these, go to My Account → Downloads.

D-Values for Tow Trucks

The D-value is a crucial metric that assesses the horizontal force-handling capability of a truck and trailer combination.

For example, if you have a GVM of 8500kg and an ATM of 4500kg, the minimum D-value required is 29kN.

You can work out your D-Value using the calculator below or download our D-Value Guide.

For more information on D-Values, read our technical guide here.