45mm Shackle Spring Hanger Kit – Tandem


3 in stock

Includes everything you need to mount four shackle springs.
✓ Provides a clean slate for Roadworthy or safety certificates.
Only features high-quality components for road safety.

Supplied by Couplemate™ Australia.

3 in stock

SKU: SHKT Category:
Couplemate accepts PayPal, Visa and Mastercard.

45mm Shackle Spring Hanger Kit – Tandem

Whether you’re looking to DIY your own trailer suspension or just need a clean slate, you can be confident in the Couplemate™ Commitment to Quality. This trailer shackle spring hanger kit suits 45mm wide leaf springs for tandem axles.

This kit will suit shackle springs or eye-to-eye springs, such as Standard 710mm Springs.

If you are looking to replace your current hangers, ensure you measure your current rocker arm as the rocker arm in this kit measures 245mm between centres.

Product Specifications

When you buy the 45mm Shackle Spring Hanger Kit, you will receive: 

  • 2 x 9/16″ Front Hangers
  • 2 x 45mm Dumbjacks
  • 4 x 9/16″ Non-Greasable Spring Bushes
  • 2 x 5/8″ Tandem Centre Hangers
  • 2 x 245mm Rocker Arms
  • 2 x 5/8″ Non-Greasable Spring Bushes
  • 8 x 9/16″ Shackle Plates
  • 12 x 9/16″ Non-Greasable Shackle Pins (incl. Nyloc nuts)
  • 2 x 5/8″ Greasable Shackle Pin (incl. Nyloc nuts)

How to Install

Where possible, Couplemate™ recommends flipping your chassis upside down to install the kit. Installation time ranges from 1-2 hours and requires welding.

  1. Determine where the centre of your trailer axles will be. Weld the centre hanger at this point, ensuring that it is installed at 90 degrees to your chassis.
  2. Install your spring rocker with a 5/8″ shackle bolt.
  3. Install your spring hangers according to the spring manufacturer’s recommendations and then attach your springs with the 9/16″ bolts. Shackle bolts do not have a specified torque setting, though Couplemate™ recommends having a 0.5mm gap between your spring and spring hanger. This prevents your spring from locking up whilst in motion.

If Couplemate™ supplied your springs, we will give you this measurement. For example, if you have 45mm x 710mm Offset Shackle Springs, spring hangers should be installed as below:

  • Front Spring Eye to Centre Hanger = 830mm
  • Rear Spring Eye to Centre Hanger = 825mm
  • Before you weld, ensure that your spring pin centres are 960mm apart.

N.B. Measurements are from centre bolt hole to centre bolt hole.

Important Note: Once your trailer is loaded, ensure your shackle plates point down and toward the rear of the trailer. Shackle plates should sit on a 25/30 degree angle. When unloaded, your shackles should be pointing forward.

Frequently Asked Questions

What if my centre hanger looks different? If your centre hanger looks different to the one in the kit, you may have a 60mm wide spring, a GNS-style suspension, or a rocker roller setup.

In this case, we recommend measuring your spring width as well as your centre rocker (front to rear hole). Once you have this information, give our friendly team a call on 07 3348 3822.

If your trailer has one axle, you can purchase the single-axle version here.

Additional information

Weight10 kg
Dimensions20 × 20 × 10 cm


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