{"product_id":"leaf-spring-kits-3000kg-tandem-axle-eye-to-slipper-trojan-heavy-duty-six-leaf-upgrade-for-trailers","title":"Leaf Spring Kits 3000kg Tandem Axle Eye To Slipper Trojan Heavy Duty Six Leaf Upgrade For Trailers","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade 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.\u003c\/p\u003e \u003ch3\u003eWhy this design matters on the road\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEye-to-slipper configuration\u003c\/strong\u003e: Eye ends attach to the centre rocker to improve articulation over uneven terrain, reducing shock transfer to the trailer frame and cargo.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6-leaf pack\u003c\/strong\u003e: A progressive spring rate that enhances load handling and stability across a range of weights and road conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50 x 6mm leaves\u003c\/strong\u003e: Generous leaf width and thickness deliver enduring strength while maintaining the right amount of flexibility for a smooth ride.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty spring steel\u003c\/strong\u003e: Built to resist repetitive loads and deliver long service life in challenging towing environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePair included\u003c\/strong\u003e: Supplied as two springs, ensuring balanced upgrades for both sides of the tandem axle.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho this kit is ideal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBoat trailers needing dependable load support and stable handling on damp ramps and rough boat launch surfaces.\u003c\/li\u003e \u003cli\u003eUtility trailers that regularly carry substantial payloads and face varied road conditions.\u003c\/li\u003e \u003cli\u003eCar transporters requiring consistent weight distribution for safer, more controlled towing.\u003c\/li\u003e \u003cli\u003eCommercial or heavy-duty trailers where durability and predictable performance are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it a smart upgrade\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRated up to 3000kg\u003c\/strong\u003e: Confidently handle substantial loads without compromising ride quality.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImproved ride and safety\u003c\/strong\u003e: Enhanced articulation and balanced load distribution reduce chassis stress and cargo movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy retrofit\u003c\/strong\u003e: Designed to fit standard tandem configurations, making replacement straightforward and reliable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLong-term value\u003c\/strong\u003e: Durable materials and a robust design translate to fewer replacements and better uptime for your trailer fleet.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFor optimal performance, replace both springs as a pair to maintain balanced suspension across the tandem axle.\u003c\/li\u003e \u003cli\u003eConfirm compatibility with your existing hangers, axles, and mounting hardware before installation.\u003c\/li\u003e \u003cli\u003eEnsure correct alignment with the centre rocker during fitment to maximize articulation and load distribution.\u003c\/li\u003e \u003cli\u003ePeriodically inspect the springs for cracks, rust, or wear, and replace in pairs if wear is evident on either side.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e T285030\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLoad rating:\u003c\/strong\u003e 3000kg\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Eye to slipper\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeaves:\u003c\/strong\u003e 6-leaf\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeaf dimensions:\u003c\/strong\u003e 50mm wide x 6mm thick\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable spring steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Supplied as a pair (2 springs)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade 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.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e📖 Read our guide:\u003c\/strong\u003e \u003ca href=\"\/blogs\/news\/trailer-leaf-springs-nz-the-complete-guide-to-trojan-suspension-kits\"\u003eComplete Buyer's Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrailer Leaf Spring 101\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin-bottom:20px;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/UrLRs-NXhT0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allow=\"accelerometer;autoplay;clipboard-write;encrypted-media;gyroscope;picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Trojan","offers":[{"title":"Default Title","offer_id":50978486485277,"sku":"T285030","price":896.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1072\/3613\/files\/5AB63DD3-8E5A-4C12-98B0-9A51BBADA590_24ac8ab4-2799-4af3-8f77-710e72c0ea4b.png?v=1772754916","url":"https:\/\/actionoutdoors.kiwi\/products\/leaf-spring-kits-3000kg-tandem-axle-eye-to-slipper-trojan-heavy-duty-six-leaf-upgrade-for-trailers","provider":"Action Outdoors Limited","version":"1.0","type":"link"}