{"product_id":"original-singer-vibrating-shuttle-simanco-part-54504-fits-models-28-128","title":"Original Singer Vibrating Shuttle - SIMANCO Part # 54504 - Fits Models 28, 128","description":"\u003ch3\u003eOriginal Singer Vibrating Shuttle - Genuine SIMANCO Part # 54504\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 54504\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Vibrating \"bullet\" shuttle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SIMANCO (Singer Manufacturing Company)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Vintage original part in good working condition\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e No-notch version with smooth nose and dimple underneath\u003c\/p\u003e\n\n\u003ch4\u003eAbout This Shuttle\u003c\/h4\u003e\n\u003cp\u003eThis is an authentic SIMANCO vibrating shuttle, manufactured by Singer for their classic vibrating shuttle sewing machines. The shuttle is a critical component in vintage Singer models 28 and 128, acting as a long bobbin case that holds the thread and oscillates back and forth in a curved path to form stitches. This original SIMANCO part represents the quality and precision that made Singer the gold standard in sewing machine manufacturing.\u003c\/p\u003e\n\n\u003cp\u003eThe vibrating shuttle mechanism was one of Singer's most successful designs, used in millions of machines from the late 1800s through the mid-1900s. Unlike modern rotary hook systems, the vibrating shuttle moves in an oscillating arc, creating the distinctive sound and smooth operation that vintage Singer enthusiasts love.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is a Vibrating Shuttle?\u003c\/h4\u003e\n\n\u003cp\u003eThe vibrating shuttle (also called a \"bullet\" shuttle due to its elongated shape) is the heart of the stitch-forming mechanism in Singer models 28 and 128. Here's how it works:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe shuttle acts as a long bobbin case, holding the bobbin thread and oscillating (vibrating) back and forth in a curved path beneath the needle plate. As the needle descends with the upper thread, the shuttle catches the thread loop and wraps it around the bobbin thread to form a lockstitch.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVibrating vs. Rotary:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike modern rotary hooks that spin in a complete circle, the vibrating shuttle moves in a back-and-forth arc. This oscillating motion is what gives these machines their characteristic sound and smooth, reliable stitch formation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLong Bobbin Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe shuttle is designed to hold long bobbins (such as Singer #8228), which provide more thread capacity than standard round bobbins. This means fewer bobbin changes during long sewing sessions.\u003c\/p\u003e\n\n\u003ch4\u003eOriginal SIMANCO Quality\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eAuthentic Singer Manufacturing:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSIMANCO (Singer Manufacturing Company) parts were manufactured to exacting standards with precision machining and quality materials. Original SIMANCO shuttles are superior to modern reproductions in fit, finish, and durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNo-Notch Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis original #54504 shuttle features a \"no-notch\" design with a smooth nose and a dimple underneath. This design fits carriers with an ejector button and ensures proper alignment and smooth operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProven Durability:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese shuttles have already proven their longevity - many are 60-100+ years old and still functioning perfectly. With proper care, an original SIMANCO shuttle will last another lifetime.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrecise Tolerances:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOriginal SIMANCO shuttles are machined to exact specifications, ensuring proper clearance, smooth movement, and consistent stitch formation. Reproduction shuttles often have tolerance issues that can cause timing problems or poor stitch quality.\u003c\/p\u003e\n\n\u003ch4\u003eCompatibility - Fits Singer Models:\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eSinger Model 28:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Singer 28 is a classic hand-crank or treadle machine known for its reliability and beautiful stitching. The vibrating shuttle mechanism makes it ideal for heavy fabrics and long sewing sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSinger Model 128:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Singer 128 is similar to the Model 28 but designed for electric motor operation. It shares the same vibrating shuttle mechanism and is prized for its smooth, quiet operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This shuttle is specifically designed for Singer vibrating shuttle machines. It will NOT fit rotary hook machines or other shuttle types.\u003c\/p\u003e\n\n\u003ch4\u003eDesign Features\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Nose:\u003c\/strong\u003e No-notch design for proper carrier fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimple Underneath:\u003c\/strong\u003e Fits carriers with ejector button mechanism\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Bobbin Capacity:\u003c\/strong\u003e Holds Singer long bobbins (#8228)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined:\u003c\/strong\u003e Exact tolerances for smooth operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to last generations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal SIMANCO:\u003c\/strong\u003e Authentic Singer manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhen Do You Need a Replacement Shuttle?\u003c\/h4\u003e\n\n\u003cp\u003eYou may need to replace your shuttle if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkipped stitches\u003c\/strong\u003e - Shuttle not catching the upper thread loop properly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread bunching or bird's nesting\u003c\/strong\u003e - Worn or damaged shuttle surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming issues\u003c\/strong\u003e - Shuttle not synchronized with needle movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible damage\u003c\/strong\u003e - Scratches, burrs, or worn areas on the shuttle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough movement\u003c\/strong\u003e - Shuttle doesn't glide smoothly in the carrier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLost or missing shuttle\u003c\/strong\u003e - You acquired a machine without a shuttle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Use\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstalling the Shuttle:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTurn off and unplug your machine (or remove the hand crank\/belt)\u003c\/li\u003e\n\u003cli\u003eRemove the bobbin from the shuttle if present\u003c\/li\u003e\n\u003cli\u003eOpen the shuttle carrier access (usually by removing the slide plate)\u003c\/li\u003e\n\u003cli\u003eInsert the shuttle into the carrier with the pointed end facing forward\u003c\/li\u003e\n\u003cli\u003eEnsure the shuttle seats properly in the carrier\u003c\/li\u003e\n\u003cli\u003eClose the carrier and test the movement by turning the hand wheel\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eLoading the Bobbin:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eWind a long bobbin (#8228) with your desired thread\u003c\/li\u003e\n\u003cli\u003eInsert the bobbin into the shuttle\u003c\/li\u003e\n\u003cli\u003eThread the bobbin thread through the shuttle's tension slot\u003c\/li\u003e\n\u003cli\u003eLeave a 4-6 inch thread tail\u003c\/li\u003e\n\u003cli\u003eInsert the loaded shuttle into the carrier\u003c\/li\u003e\n\u003cli\u003ePull up the bobbin thread using the hand wheel\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eMaintenance Tips\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean regularly:\u003c\/strong\u003e Remove lint and thread debris from the shuttle and carrier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for burrs:\u003c\/strong\u003e The shuttle surface should be smooth - any rough spots can damage thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil sparingly:\u003c\/strong\u003e A tiny drop of sewing machine oil on the shuttle carrier pivot points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect for wear:\u003c\/strong\u003e Check the shuttle point and thread path for excessive wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore safely:\u003c\/strong\u003e When not in use, keep the shuttle in a clean, dry place\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy Choose an Original SIMANCO Shuttle?\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuperior Fit and Function:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOriginal SIMANCO shuttles are manufactured to Singer's exact specifications, ensuring perfect fit and smooth operation. Reproduction shuttles often have tolerance issues that can cause timing problems, skipped stitches, or poor stitch quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHistorical Authenticity:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you're restoring a vintage Singer 28 or 128 to original condition, an authentic SIMANCO shuttle is essential for maintaining the machine's value and authenticity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProven Reliability:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese shuttles have already demonstrated their durability over decades of use. An original SIMANCO shuttle that's still in good condition will continue to perform reliably for years to come.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuality Materials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSIMANCO used high-quality materials and precision manufacturing processes that are difficult to replicate in modern reproductions. The result is a shuttle that moves smoothly, wears evenly, and maintains proper timing.\u003c\/p\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Singer 54504\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SIMANCO (Singer Manufacturing Company)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Vibrating \"bullet\" shuttle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e No-notch with smooth nose and dimple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBobbin Type:\u003c\/strong\u003e Long bobbin (Singer #8228)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Singer Models 28, 128\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Vintage original in good working condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cp\u003eOne (1) original SIMANCO vibrating shuttle. Bobbin not included.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is a vintage original part. While in good working condition, it may show signs of age such as patina or minor surface wear. This is normal for vintage parts and does not affect function.\u003c\/p\u003e\n\n\u003ch4\u003eCompatible Bobbins\u003c\/h4\u003e\n\u003cp\u003eThis shuttle requires Singer long bobbins, Part # 8228. Make sure you have the correct bobbin type for proper operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestore your vintage Singer 28 or 128 to smooth, reliable operation with an authentic SIMANCO vibrating shuttle!\u003c\/strong\u003e\u003c\/p\u003e","brand":"CMSS","offers":[{"title":"Default Title","offer_id":29413220876386,"sku":"VO566","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/IMG_3252-Photoroom.jpg?v=1762532096","url":"https:\/\/www.vintagesingerparts.com\/en-ca\/products\/original-singer-vibrating-shuttle-simanco-part-54504-fits-models-28-128","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}