{"product_id":"trojan-double-eye-rocker-type-3500kg-50mm-wide-unmounted-pair-for-trailers-heavy-duty-trailer-suspension","title":"Trojan Double Eye Rocker Type 3500kg 50mm Wide Unmounted Pair For Trailers Heavy Duty Trailer Suspension","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for trailers that demand a superior ride, the Double Eye Rocker Type - 3500kg - 50mm wide - Unmounted pair delivers controlled, even weight distribution across all four wheels. Built around the Trojan Rocker Tandem suspension concept, this setup uses a rocker bar that pivots on a central hanger to keep springs aligned with the road, absorbing shocks and reducing trailer pitch so your cargo travels smoother.\u003c\/p\u003e \u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eThe springs sit on a rocker bar that pivots at a central hanger, allowing the pair to flex in unison. This arrangement distributes load evenly across the four wheels, minimizing wheel hop and chassis stress while delivering a steadier, more predictable ride on rough roads—valuable for sensitive loads and long hauls alike.\u003c\/p\u003e \u003ch3\u003eProduct options and installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUnmounted pair, bare steel, capacity per pair: 3500 kg (SKU: T871700)\u003c\/li\u003e \u003cli\u003eMounted \u0026amp; assembled bare steel configuration (SKU: T871800)\u003c\/li\u003e \u003cli\u003eMounted \u0026amp; assembled galvanised frame option (SKU: T8718GALV)\u003c\/li\u003e \u003cli\u003eFrame requirements: the kit is designed to be welded directly to the trailer chassis or supplied assembled on an angle iron frame. Note: the kit does not include the frame.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eAxle U-bolts and plates are not included, so ensure you have the appropriate mounting hardware for your trailer’s axle setup. The galvanized frame option provides additional corrosion resistance for exposed or coastal environments, helping to extend service life in demanding conditions.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eIdeal for horse floats, utility trailers, and any heavy-duty trailer where ride quality and stability are priorities. If you’re loading sensitive equipment, livestock, or high-value cargo, the Double Eye Rocker Type helps maintain a smoother, safer ride with consistent tire contact and reduced vibration transfer.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEven load distribution across all four wheels improves handling and braking stability on uneven surfaces.\u003c\/li\u003e \u003cli\u003eRocker-bar pivoting action minimizes chassis stress and components wear, supporting longer trailer life.\u003c\/li\u003e \u003cli\u003eFlexible installation options mean you can tailor the setup to welded chassis work or ready-made frames, with galvanised variants for added durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpec highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCapacity per pair: 3500 kg\u003c\/li\u003e \u003cli\u003eWidth: 50 mm\u003c\/li\u003e \u003cli\u003eMounting: Unmounted pair\u003c\/li\u003e \u003cli\u003eConfiguration: Double Eye Rocker Type\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your trailer’s ride with a purpose-built suspension that aligns with real-world use—comfort, stability, and durability across every mile.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"ProductVariationTable\" cellpadding=\"0\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart No:\u003c\/th\u003e\n\u003cth\u003eCapacity per Pair:\u003c\/th\u003e\n\u003cth\u003eNo of leaves \u0026amp; sizes:\u003c\/th\u003e\n\u003cth\u003eFitments\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT871500\u003c\/td\u003e\n\u003ctd\u003e2500kg\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003ctd\u003eBare Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT871600\u003c\/td\u003e\n\u003ctd\u003e2500kg\u003c\/td\u003e\n\u003ctd\u003eMounted \u0026amp; Assembled\u003c\/td\u003e\n\u003ctd\u003eBare Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT871600G\u003c\/td\u003e\n\u003ctd\u003e2500kg\u003c\/td\u003e\n\u003ctd\u003eMounted \u0026amp; Assembled\u003c\/td\u003e\n\u003ctd\u003eGalv Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT871700\u003c\/td\u003e\n\u003ctd\u003e3500kg\u003c\/td\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003ctd\u003eBare Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT871800\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3500kg\u003c\/td\u003e\n\u003ctd\u003eMounted \u0026amp; Assembled\u003c\/td\u003e\n\u003ctd\u003eBare Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT8718GALV\u003c\/td\u003e\n\u003ctd\u003e3500kg\u003c\/td\u003e\n\u003ctd\u003eMounted \u0026amp; Assembled\u003c\/td\u003e\n\u003ctd\u003eGalv Frame\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\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":50978525905181,"sku":"T871700","price":776.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1072\/3613\/files\/FD13560D-E1A5-4B73-B013-F21AA01F2BC3.png?v=1772754915","url":"https:\/\/actionoutdoors.kiwi\/products\/trojan-double-eye-rocker-type-3500kg-50mm-wide-unmounted-pair-for-trailers-heavy-duty-trailer-suspension","provider":"Action Outdoors Limited","version":"1.0","type":"link"}