{"product_id":"lego-technic-gearbox-4x4x1-2-3-part-6585","title":"LEGO Technic Gearbox 4x4x1 2\/3 (Part 6585)","description":"\u003ch3\u003eBuild Your Own Functional Transmission\u003c\/h3\u003e \u003cp\u003eTake your vehicle builds to the next level with the LEGO® Technic Gearbox Casing. This specialized part is the structural heart of any multi-speed transmission, designed to house the changeover catches and driving rings that allow you to switch between different gear ratios. If you've ever wanted to build a car with a real working manual or sequential gearbox, this component is absolutely essential. It provides the framework for creating complex, realistic, and satisfying mechanical functions.\u003c\/p\u003e  \u003ch3\u003eApplications for Advanced Builders\u003c\/h3\u003e \u003cp\u003eThis gearbox casing is the key to unlocking some of the most advanced functions in the Technic system.\u003c\/p\u003e \u003cul\u003e     \u003cli\u003e\n\u003cstrong\u003eMulti-Speed Car Transmissions:\u003c\/strong\u003e Use one or more of these casings to build a 4-speed, 5-speed, or even more complex sequential gearbox for your supercar MOCs.\u003c\/li\u003e     \u003cli\u003e\n\u003cstrong\u003eDual-Function Mechanisms:\u003c\/strong\u003e In industrial models like cranes or loaders, use this casing to create a switching mechanism that can direct power from a single motor to two different functions, such as lifting an arm or rotating the turret.\u003c\/li\u003e     \u003cli\u003e\n\u003cstrong\u003eCompact Mechanical Solutions:\u003c\/strong\u003e Its enclosed design allows you to build robust and compact mechanical systems that can handle high torque without slipping.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCombine this casing with driving rings, changeover catches, and a variety of gears from our \u003ca href=\"\/en-global\/collections\/collections-lego-technic-gears\"\u003eTechnic gears collection\u003c\/a\u003e to engineer your most advanced creation yet. Don't forget the \u003ca href=\"\/en-global\/collections\/lego-technic-axles-wheel-holders\"\u003eaxles\u003c\/a\u003e and \u003ca href=\"\/en-global\/collections\/lego-technic-beams\"\u003ebeams\u003c\/a\u003e to build the chassis around it!\u003c\/p\u003e  \u003ch3\u003eKey Specifications\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003ePart ID:\u003c\/strong\u003e 6585\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 x 4 x 1 2\/3 Studs\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Housing for Technic transmission driving rings and changeover catches.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Integrates seamlessly into the Technic grid system.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eA Little Piece of Trivia\u003c\/h4\u003e \u003cp\u003eThe 4x4 gearbox casing first appeared in the early 1990s, making its debut in high-end Technic sets. It was a revolutionary part that standardized and simplified the process of building complex gearboxes. Before this piece existed, builders had to rely on much more complicated and often fragile custom-built frames to create switching mechanisms. This casing made robust, functional transmissions accessible to a much wider range of builders and has been a cornerstone of flagship Technic supercars for years.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eReady to engineer true mechanical function? Add this essential gearbox casing to your inventory and shift your builds into high gear!\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e\u003csmall\u003eLEGO® parts are intended for builders aged 4 and up. They may pose a choking hazard for children under 3 years old.\u003c\/small\u003e\u003c\/p\u003e","brand":"LEGO","offers":[{"title":"Black","offer_id":52135002210637,"sku":"lego6585blacknew","price":0.31,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":52135002243405,"sku":"lego6585bluenew","price":8.85,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":52135002276173,"sku":"lego6585rednew","price":21.75,"currency_code":"USD","in_stock":false},{"title":"Yellow","offer_id":52135002308941,"sku":"lego6585yellownew","price":15.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/6715\/2205\/files\/f2403e68-16bc-47ee-960a-d66e0c38c075.jpg?v=1753321453","url":"https:\/\/www.choose-a-brick.com\/en-global\/products\/lego-technic-gearbox-4x4x1-2-3-part-6585","provider":"www.choose-a-brick.com","version":"1.0","type":"link"}