Axles & Suspension Spring Kits Single Axle Spring Kits

Spring Set Single Axle 1750kg Zinctech

NZ $323.45 excl GST
SKU: 61005
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Description

Featuring 8-leaf Zinctech-coated springs, this rugged setup delivers superior load distribution, reduced flex under pressure, and enhanced control in demanding environments.

Each trailer spring is crafted from thick high-tensile steel and comes equipped with pre-installed nylon bushes. A longer second leaf reinforces the eye area, while the anti-rattle leaves help minimise noise when running unladen. Designed for single-axle trailers with a GVM of up to 1,750 kg, this trailer spring set includes all necessary components for a reliable and efficient spring installation.

Key Features

  • Anti-rattle leaves for a quieter ride
  • Extended second leaf to improve strength and longevity
  • Progressive spring compression adapts to variable loads
  • Built from 50 mm wide, 6 mm thick high-tensile steel
  • Zinctech finish for enhanced corrosion resistance
  • Trailer springs come with pre-installed nylon bushes
  • Anti-rattle slippers fit snugly around the springs to reduce movement and wear.

Applications

  • High-capacity trailers
  • Agricultural and commercial trailers
  • Tandem axle trailers (paired use)
  • Trade equipment haulers
  • Off-highway and heavy utility trailers

Specifications

  • Load Capacity: 1,750 kg per axle (pair)
  • Trailer Spring Type: Eye-to-slipper
  • Number of Leaves: 8 per spring
  • Spring Width: 50 mm
  • Leaf Thickness: 6 mm
  • Spring finish: Zinctech corrosion-resistant coating
  • Bushes: Nylon, pre-installed

Kit Inclusions

  • 60014 Spring Hanger Bolt M16 x 95mm (1 pair)
  • 60015 Spring Hanger Nut M16 Nyloc (1 pair)
  • 60013 Spring Hanger 16mm eye suits 50mm Spring (1 pair)
  • 60012 Spring Slipper suits 50mm Spring (1 pair)
  • 60005 Springs Only 1750kg Zinctech 8 leaf (1 pair)

FAQs

Q: What is progressive spring compression?

A: Unlike linear springs that compress at a constant rate, a progressive spring features leaves designed to increase stiffness as they compress. This design allows the trailer spring to provide a smoother ride under light loads while offering greater support under heavier loads. As a result, it delivers better control across varying conditions and helps prevent excessive sag. This dual-rate behaviour allows your trailer to handle a wider range of load conditions without sacrificing control, ride quality, or safety. It also helps reduce wear on other suspension components and minimises the risk of bottoming out under heavy loads.

Q: What is Zinctech coating?

A: Zinctech is a specialised corrosion-resistant zinc coating applied to steel components. It offers strong protection against rust, extending the life of springs and hardware in outdoor environments.

Q: Why is the second leaf longer?

A: A longer second leaf supports the main leaf, reducing stress on the eye area and extending the trailer spring's service life.

Q: What are anti-rattle leaves?

A: Anti-rattle leaves are designed to minimise movement and noise in a leaf spring suspension system. At the slipper end, the spring leaves are spread out (or "fanned") rather than stacked tightly together. This creates a snug fit inside the slipper, which helps reduce rattling, wear, and vibration during towing.

Q: Can I get axles with this kit?

Yes. You can add ready-made axles or custom fabricated axles to your order. To get axles made to your specifications, please visit: https://www.treadway.co.nz/Resources/Axle-Fabrication.html

Specifications

Brand: Treadway
Load Rating: 1750kg
Type/Finish: Zinctech
Width: 50mm

Questions?

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