Leaf Spring Kits 3000kg Tandem Axle Eye To Slipper Trojan Heavy Duty Six Leaf Upgrade For Trailers
(Inc. GST)
Sent directly from NZ Supplier
Estimated delivery time: 4-11 days
⚠ ONLINE ONLY – Please Do Not Visit Store for This Item
Upgrade your tandem-axle trailer suspension with the Leaf Spring Kits - Tandem Axle Eye to Slipper 3000kg - 6-leaf. Built for heavy-duty load support and smoother towing, this eye-to-slipper setup connects the eye end of each spring to the centre rocker, delivering balanced weight distribution and reliable performance for demanding trailers. Crafted for durability, these springs are ready to take on boat trailers, utility trailers, car transporters, and other heavy-duty applications.
Why this design matters on the road
- Eye-to-slipper configuration: Eye ends attach to the centre rocker to improve articulation over uneven terrain, reducing shock transfer to the trailer frame and cargo.
- 6-leaf pack: A progressive spring rate that enhances load handling and stability across a range of weights and road conditions.
- 50 x 6mm leaves: Generous leaf width and thickness deliver enduring strength while maintaining the right amount of flexibility for a smooth ride.
- Heavy-duty spring steel: Built to resist repetitive loads and deliver long service life in challenging towing environments.
- Pair included: Supplied as two springs, ensuring balanced upgrades for both sides of the tandem axle.
Who this kit is ideal for
- Boat trailers needing dependable load support and stable handling on damp ramps and rough boat launch surfaces.
- Utility trailers that regularly carry substantial payloads and face varied road conditions.
- Car transporters requiring consistent weight distribution for safer, more controlled towing.
- Commercial or heavy-duty trailers where durability and predictable performance are priorities.
What makes it a smart upgrade
- Rated up to 3000kg: Confidently handle substantial loads without compromising ride quality.
- Improved ride and safety: Enhanced articulation and balanced load distribution reduce chassis stress and cargo movement.
- Easy retrofit: Designed to fit standard tandem configurations, making replacement straightforward and reliable.
- Long-term value: Durable materials and a robust design translate to fewer replacements and better uptime for your trailer fleet.
Practical tips for installation and use
- For optimal performance, replace both springs as a pair to maintain balanced suspension across the tandem axle.
- Confirm compatibility with your existing hangers, axles, and mounting hardware before installation.
- Ensure correct alignment with the centre rocker during fitment to maximize articulation and load distribution.
- Periodically inspect the springs for cracks, rust, or wear, and replace in pairs if wear is evident on either side.
Product details
- Product Code: T285030
- Load rating: 3000kg
- Design: Eye to slipper
- Leaves: 6-leaf
- Leaf dimensions: 50mm wide x 6mm thick
- Material: Durable spring steel
- Package: Supplied as a pair (2 springs)
Upgrade your trailer’s suspension with this purpose-built tandem axle leaf spring kit to achieve smoother towing, improved stability, and lasting reliability across boat, utility, and car transport applications.
📖 Read our guide: Complete Buyer's Guide
Trailer Leaf Spring 101