{"product_id":"levelling-box-assembly-knuckle-22mm-fork-hole-16mm-min-length-550mm-1-x-14-unf-14878","title":"Levelling Box Assembly 22 MM Knuckle 550 MM Adjustable - Sparex Part S.14878","description":"\u003cp\u003eThe Sparex S.14878 Levelling Box Assembly is a high-quality adjustable linkage component designed to provide accurate height and angle control of tractor lift arms. It ensures smooth operation and precise implement positioning during heavy-duty fieldwork and agricultural applications.\u003c\/p\u003e\n\n\u003cp\u003eThis levelling box assembly features a \u003cstrong\u003e22mm knuckle bore\u003c\/strong\u003e, \u003cstrong\u003e16mm fork hole\u003c\/strong\u003e, and an adjustable length ranging from \u003cstrong\u003e550mm minimum to 710mm maximum\u003c\/strong\u003e. Built from high-strength steel, it offers durability, corrosion resistance, and dependable performance under continuous load. The threaded adjustment (1” x 14 UNF) allows for quick, secure setting changes to suit a variety of implement configurations.\u003c\/p\u003e\n\n\u003cp\u003eProduced by \u003cstrong\u003eSparex\u003c\/strong\u003e, a trusted global manufacturer and supplier of agricultural parts, the S.14878 levelling box meets OEM-grade quality standards for fit and performance. It’s engineered to deliver precise lift control, reducing wear and maintaining even distribution of load across the linkage system.\u003c\/p\u003e\n\n\u003cp\u003eSuitable for \u003cstrong\u003eValmet and Valtra tractor models 502 and 602\u003c\/strong\u003e, this levelling box assembly is ideal for professional farmers and maintenance technicians seeking a durable, easy-to-adjust replacement part for maintaining accurate lift arm operation in field or yard conditions.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\n  Adjustable levelling box assembly with 550–710mm length range  22mm knuckle bore and 16mm fork hole for precision fitment  Threaded 1” x 14 UNF adjustment for quick, secure setup  Heavy-duty steel construction with corrosion-resistant finish  OEM-grade quality for long-term reliability and consistent performance  Designed for accurate implement positioning and lift arm stability  Perfect for: Valtra and Valmet tractor linkage maintenance, lift arm alignment, and agricultural equipment adjustment.\n\u003cp\u003e\u003cstrong\u003eExplore More:\u003c\/strong\u003e \u003ca href=\"\/collections\/conversion-kit-assemblies\"\u003eConversion Kit \u0026amp; Assemblies\u003c\/a\u003e | \u003ca href=\"\/collections\/pto-linkage\"\u003ePTO \u0026amp; Linkage\u003c\/a\u003e | \u003ca href=\"\/collections\/linkage-parts\"\u003eFront \u0026amp; Rear Linkage\u003c\/a\u003e\u003c\/p\u003e","brand":"Sparex","offers":[{"title":"Default Title","offer_id":55925035729282,"sku":"SP-S.14878","price":170.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/8598\/9371\/files\/14878_pic1.jpg?v=1762349022","url":"https:\/\/farmingparts.com\/products\/levelling-box-assembly-knuckle-22mm-fork-hole-16mm-min-length-550mm-1-x-14-unf-14878","provider":"Farming Parts","version":"1.0","type":"link"}