{"product_id":"iwwfdd-trimmer-gear-head-assembly-for-stihl-fits-fs56-fs70r-fs91r-fs94r-replaces-4180-640-0114","title":"IWWFDD Trimmer Gear Head Assembly for Stihl – Fits FS56\/FS70R\/FS91R\/FS94R | Replaces 4180-640-0114","description":"\u003ch2\u003eUpgrade Your Stihl Trimmer with the IWWFDD Gear Head Assembly\u003c\/h2\u003e\n\u003cp\u003eElevate the performance of your string trimmer with the IWWFDD Trimmer Gear Head Assembly, a direct-replacement kit designed for a wide range of Stihl models including FS56RC, FS70R, FS91R, FS94R and more. This all-in-one installation kit brings together essential components, simplifying the swap and helping you return to yard work faster with a more controlled cutting experience.\u003c\/p\u003e\n\u003ch2\u003eKey Features That Matter in the Field\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAll‑in‑one installation kit with gear head, rider plate, thrust washer, thrust plate, LH collar nut, and stainless screws to complete the replacement.\u003c\/li\u003e\n  \u003cli\u003ePrecision‑cut bevel gears with CNC‑machined 10‑tooth geometry and a heat‑treated spindle for steadier torque, potentially reducing vibration and noise during dense grass or light brush work.\u003c\/li\u003e\n  \u003cli\u003eWide compatibility with Stihl trimmers and brush cutters, covering popular models such as FS56 RC, FS70R, FS91R, and FS94R among others.\u003c\/li\u003e\n  \u003cli\u003eDurable low‑pressure cast aluminum housing paired with rust‑resistant stainless screws for lasting performance under heavy use.\u003c\/li\u003e\n  \u003cli\u003eCost‑effective upgrade that preserves a compact, strong build, aiming to deliver a smoother cutting experience without premium pricing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat You Can Expect in Real Use\u003c\/h2\u003e\n\u003cp\u003eIn everyday yard tasks, the head is designed to help blades stay on track as you shift from thick growth to lighter turf. The refined gear system is intended to provide a more consistent cutting rhythm, with a focus on smoother power delivery and lower operating noise. This can contribute to a more comfortable workflow along fencelines, pathways, and garden borders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStability in blade tracking helps achieve cleaner edges and more even passes through varied vegetation.\u003c\/li\u003e\n  \u003cli\u003eThe lighter yet robust aluminum housing supports easier handling during extended sessions and around obstacles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents and Fit Guidance\u003c\/h2\u003e\n\u003cp\u003eThe kit bundles all necessary parts for a straightforward replacement, including the replaced gear head (Part No. 4180‑640‑0114), rider plate, thrust components, a collar nut, and the selection of screws. Before installation, verify model compatibility and follow standard safety procedures to ensure a secure clamp and proper alignment.\u003c\/p\u003e\n\u003ch2\u003eCare and Longevity Tips\u003c\/h2\u003e\n\u003cp\u003eRegularly inspect the housing and screws for any signs of wear or loosening. When reassembling, apply appropriate torque to the collar nut and verify blade alignment after the first few cuts to maintain optimal performance over time.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Stihl models is the IWWFDD Trimmer Gear Head compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for a broad set of Stihl trimmers, including FS56 RC, FS70R, FS91R, FS94R, FS131R, and related models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What improvements might I notice after installing the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You may experience smoother torque, reduced vibration, and steadier blade tracking during tough or edge-cutting tasks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IWWFDD","offers":[{"title":"Default Title","offer_id":45743521202362,"sku":"B0FC2RLX74","price":71.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/iwwfdd-gear-head-assembly-stihl-fit.jpg?v=1774922153","url":"https:\/\/gardencanada.ca\/products\/iwwfdd-trimmer-gear-head-assembly-for-stihl-fits-fs56-fs70r-fs91r-fs94r-replaces-4180-640-0114","provider":"Garden Canada","version":"1.0","type":"link"}