{"product_id":"panari-srm-225-speed-feed-400-trimmer-head-for-echo-straight-shaft-quick-line-changes-bump-feed-compatible","title":"Panari SRM 225 Speed Feed 400 Trimmer Head for Echo Straight-Shaft | Quick Line Changes, Bump-Feed Compatible","description":"\u003cp\u003e\u003cstrong\u003ePanari SRM 225 Speed Feed 400 is a drop-in replacement trimmer head designed to fit many straight-shaft Echo-style string trimmers, offering quick line changes and reliable cutting performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you're maintaining a professional fleet or upgrading a home unit, the Panari SRM 225 Speed Feed 400 trimmer head provides a practical alternative to OEM heads. It’s built to accept standard bump-feed lines and is compatible with a wide range of Echo and similar straight-shaft models when paired with the correct bushings and mounting hardware.\u003c\/p\u003e\n\n\u003ch3\u003eWhich trimmers will this Speed Feed 400 work with?\u003c\/h3\u003e\n\n\u003cp\u003eThe Panari Speed Feed 400 fits many straight-shaft string trimmers from Echo and other brands that use the same mounting pattern. It’s commonly used on Echo SRM and PAS series machines and also suits models from Honda, Husqvarna, Maruyama, RedMax, Shindaiwa, and some Stihl trimmers when the shaft and thread match.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect Echo compatibility: SRM210, SRM211, SRM225, SRM260, SRM261, SRM2100, SRM2400 series.\u003c\/li\u003e\n  \u003cli\u003ePAS series support: PAS210, PAS211, PAS225VP, PAS231, PAS260, PAS261, PAS265, PAS266, PAS280, PAS2100, PAS2400, PAS2601.\u003c\/li\u003e\n  \u003cli\u003eFit note: designed for straight-shaft models only; not for curved-shaft trimmers.\u003c\/li\u003e\n  \u003cli\u003eBushing requirement: 10mm x 1.25 left-hand long bushing often required for proper fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Panari SRM 225 head on my trimmer?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward: remove the old head and transfer the original nut or replace it with the supplied nut as needed. If your machine used a different nut, simply swap the nut from the old head to the Panari head so the threading and locking match your model.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRemove spark plug and follow safety procedures before working on the trimmer.\u003c\/li\u003e\n  \u003cli\u003eUnscrew the old head and fit the Panari Speed Feed; use the original nut if it fits.\u003c\/li\u003e\n  \u003cli\u003eAttach required bushing (10mm x 1.25 LH) when specified by your model.\u003c\/li\u003e\n  \u003cli\u003eEnsure guard clearance and torque nut to manufacturer recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat replacement parts and part numbers correspond to this head?\u003c\/h3\u003e\n\n\u003cp\u003eThe Panari SRM 225 speed feed is offered as a compatible alternative to several Echo part numbers and common OEM references. If your machine calls for a specific shield or bushing, order those parts separately to complete the installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplaces Echo part numbers such as 99944200907 and 99944200902.\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with legacy references like 78890-30000, 78890-11000, 78890-18001, 78890-18000.\u003c\/li\u003e\n  \u003cli\u003eEcho users may need shield p\/n C550000032 in some setups.\u003c\/li\u003e\n  \u003cli\u003eConfirm you have a straight-shaft trimmer and the required bushing before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose this aftermarket Panari replacement instead of an OEM head?\u003c\/h3\u003e\n\n\u003cp\u003eThe Panari Speed Feed 400 offers a cost-effective option for trimmer owners who want quick line replacement and broad cross-brand compatibility. It retains the functional benefits of bump-feed heads while being an economical spare or upgrade for compatible machines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLower-cost alternative to OEM while maintaining similar bump-feed convenience.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard trimmer lines and common mounting standards.\u003c\/li\u003e\n  \u003cli\u003eEasy to install by swapping existing nut or using the included hardware.\u003c\/li\u003e\n  \u003cli\u003eSuitable for both home users and maintenance crews with compatible machines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Panari SRM 225 Speed Feed 400 is ideal for homeowners, landscapers, and rental fleets that use straight-shaft Echo or Echo-compatible trimmers and need a fast, reliable replacement head. Choose this when you want a dependable bump-feed head, cost savings over OEM parts, and straightforward installation — just verify shaft type, thread direction, and any required shield or bushing before ordering.\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: Is the Panari SRM 225 Speed Feed 400 compatible with curved-shaft trimmers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This trimmer head is designed for straight-shaft models only and will not fit curved-shaft trimmers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need any extra parts to install it on an Echo trimmer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You may need a 10mm x 1.25 LH long bushing and possibly Echo shield p\/n C550000032 depending on your model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Panari","offers":[{"title":"Default Title","offer_id":54194471207096,"sku":"B073PRMNMD","price":50.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/panari-srm225-front-view.jpg?v=1790575889","url":"https:\/\/canadianlawn.ca\/products\/panari-srm-225-speed-feed-400-trimmer-head-for-echo-straight-shaft-quick-line-changes-bump-feed-compatible","provider":"Canadian Lawn","version":"1.0","type":"link"}