{"product_id":"buckbock-speed-feed-400-trimmer-head-for-echo-srm-pas-3-3-4in-10mm-lh","title":"Buckbock Speed Feed 400 Trimmer Head for Echo SRM \u0026 PAS – 3-3\/4in, 10mm LH","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eMeet Buckbock Speed Feed 400 Trimmer Head, a practical replacement designed for a wide range of Echo trimmers and Shiandaiwa attachments. It features a 3-3\/4 inch diameter and a left hand mounting stud for compatibility with common setups. Built around the Speed Feed 400 concept, it supports fast line advancement and steady feeding through typical lawn and garden tasks. It is compatible with Echo SRM series trimmers and PAS power heads, as well as several Shiandaiwa units. Important notes: this head does not include an adapter for the Echo GT series, so please confirm your engine model and part numbers before purchasing. The mounting nut is interchangeable, allowing you to reuse your existing nut if needed.\u003c\/p\u003e\n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFast line reloads thanks to a bump feed design that keeps you moving during edging and trimming.\u003c\/li\u003e\n    \u003cli\u003eBroad compatibility with Echo SRM models and PAS attachments, plus support for Shiandaiwa units.\u003c\/li\u003e\n    \u003cli\u003eDurable construction designed to maintain line integrity through dense grass and weedy patches.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eReal world use\u003c\/h3\u003e\n  \u003cp\u003eImagine clean, even edges along driveways and sidewalks. The 3-3\/4 inch head covers a wide swath, reducing constant repositioning. In routine yard work, the quick feed helps you handle repetitive trimming without frequent stops.\u003c\/p\u003e\n  \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCompatible with Echo SRM 225, 210, 230, 250, 251, 260, 261 and PAS210, PAS225, PAS230, PAS260, plus Shiandaiwa models such as T195S, T220, T222, T230, and T231.\u003c\/li\u003e\n    \u003cli\u003eThe mounting nut is interchangeable; you can reuse your original nut with the new head.\u003c\/li\u003e\n    \u003cli\u003eThis head is not designed for the Echo GT series; confirm your model and note that no adapter is included.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eMaintenance and care\u003c\/h3\u003e\n  \u003cp\u003eKeep the head clean and inspect the mounting area for wear. When installing the Buckbock head, verify that the mounting stud matches your trimmer. A light wipe of lubricant on the drive shaft can help smooth operation over time.\u003c\/p\u003e\n  \u003ch3\u003eWhy Buckbock\u003c\/h3\u003e\n  \u003cp\u003eIf you want a straightforward replacement that emphasizes ease of use, quick feeding, and broad compatibility, Buckbock offers a practical option that supports your yard work without forcing you into a new tool family.\u003c\/p\u003e\n\u003c\/div\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 models is the Buckbock Speed Feed 400 Trimmer Head compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Echo SRM series and PAS attachments, plus Shiandaiwa units listed. Confirm mounting stud size and GT series exclusions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this head include an adapter or mounting nut?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No adapter included. The mounting nut is interchangeable and can be reused with the new head.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Buckbock","offers":[{"title":"Default Title","offer_id":48186665730292,"sku":"B0792TTXHC","price":20.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/buckbock-speed-feed-400-trimmer-head-echo-srm225.jpg?v=1778383548","url":"https:\/\/www.cerapatiogarden.com\/products\/buckbock-speed-feed-400-trimmer-head-for-echo-srm-pas-3-3-4in-10mm-lh","provider":"Cera Garden","version":"1.0","type":"link"}