{"product_id":"singer®-heavy-duty-4423-sewing-machine","title":"SINGER® Heavy Duty 4423 Sewing Machine","description":"\u003cp\u003eThe SINGER Heavy Duty 4423 is the straightforward, mechanical heavy duty machine: a metal frame, a stainless steel bedplate and a top speed of 1,100 stitches per minute, run from a simple dial. It has 23 built-in stitches (97 stitch applications), a one-step buttonhole and a built-in needle threader, which covers hemming, mending, garments and sturdier home projects such as canvas totes and cushion covers.\u003c\/p\u003e\n\u003ch2\u003eWhy choose the SINGER 4423\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial-and-go controls.\u003c\/strong\u003e Choose a stitch with the selection dial; stitch length and width (up to 6 mm) are adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for steady work.\u003c\/strong\u003e Heavy duty metal frame, stainless steel bedplate and a high-performance motor rated to 1,100 stitches per minute.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandles more than one fabric weight.\u003c\/strong\u003e Adjustable presser foot pressure lets you lighten the foot for sheers or press harder for denim and canvas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy everyday setup.\u003c\/strong\u003e Built-in needle threader, a top drop-in bobbin you can see through the cover, and snap-on presser feet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom to lift thick layers.\u003c\/strong\u003e An extra-high presser foot lifter and a free arm for cuffs and sleeves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSINGER 4423 specifications\u003c\/h2\u003e\u003ctable class=\"tw-spec-table\" style=\"display:table;width:100%;max-width:100%;table-layout:fixed;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eBuilt-in stitches\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eStitch applications\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e97\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eButtonhole\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eOne-step\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eNeedle threader\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eBobbin system\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eTop drop-in, SINGER Class 15 transparent bobbins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eMaximum stitch width\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eMaximum speed\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e1,100 stitches per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eNeedle positions\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003ePresser foot pressure\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eFrame and bed\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eHeavy duty metal frame, stainless steel bedplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eSewing space\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e6.25\" needle to tower, 4.25\" high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eOther features\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eDrop feed, reverse lever, free arm, extra-high presser foot lifter, snap-on feet, soft cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\u003cp\u003eSINGER includes a general purpose foot, zipper foot, buttonhole foot, button sewing foot, edge\/quilting guide, needles, bobbins, spool caps, an auxiliary spool pin, spool pin felt, a screwdriver, a seam ripper\/lint brush and a soft dust cover.\u003c\/p\u003e\n\u003ch2\u003eHow the 4423 compares\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"\/products\/singer%C2%AE-heavy-duty-4432-sewing-machine\"\u003e4432\u003c\/a\u003e and \u003ca href=\"\/products\/singer%C2%AE-heavy-duty-4452-sewing-machine\"\u003e4452\u003c\/a\u003e share the 4423's frame, motor and sewing space but add stitches: 32 built-in stitches and 110 stitch applications. The 4452 also includes a walking foot, non-stick foot, clearance plate and heavy duty needles. The \u003ca href=\"\/products\/singer%C2%AE-heavy-duty-4411-pink-sewing-machine\"\u003e4411\u003c\/a\u003e is the simpler step down, with 11 stitches, a four-step buttonhole and no built-in needle threader listed. Choose the 4423 if you want the needle threader and one-step buttonhole without paying for stitches you may not use.\u003c\/p\u003e\n\u003ch2\u003eQuestions about the SINGER 4423\u003c\/h2\u003e\u003ch3\u003eDoes the SINGER 4423 have a needle threader?\u003c\/h3\u003e\u003cp\u003eYes. SINGER lists a built-in needle threader.\u003c\/p\u003e\u003ch3\u003eWhat bobbins does the 4423 use?\u003c\/h3\u003e\u003cp\u003eSINGER Class 15 transparent bobbins in a top drop-in bobbin system.\u003c\/p\u003e\u003ch3\u003eCan the 4423 sew denim and canvas?\u003c\/h3\u003e\u003cp\u003eSINGER describes it for fabrics from denim to canvas, and the adjustable presser foot pressure helps with heavier layers. Use a needle and thread suited to the fabric, and test the thickest seam before you start.\u003c\/p\u003e\u003ch3\u003eIs the 4423 a computerized machine?\u003c\/h3\u003e\u003cp\u003eNo. It is a mechanical machine with a stitch selection dial, so there is no screen or menu to learn.\u003c\/p\u003e\n\u003ch2\u003eWarranty and support\u003c\/h2\u003e\u003cp\u003eWarranty coverage for this machine is set by SINGER. Check the terms for this model with \u003ca href=\"https:\/\/help.singer.com\/en-US\/singers-warranty-coverage-395288\" rel=\"noopener\"\u003eSINGER's warranty information\u003c\/a\u003e before you buy, and keep your receipt for any claim. Returns through ThreadWorks follow the return terms shown on this page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuying from ThreadWorks.\u003c\/strong\u003e ThreadWorks is a family sewing business in Arizona, now run by the third generation of the Mulqueen family, with roots going back to 1977. If you are deciding between two machines, \u003ca href=\"\/pages\/contact\"\u003esend us your project list\u003c\/a\u003e or call \u003ca href=\"tel:+14805450778\"\u003e(480) 545-0778\u003c\/a\u003e and we will help you compare them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeep reading:\u003c\/strong\u003e \u003ca href=\"\/products\/singer-4423-instruction-manual-pdf-download\"\u003eSINGER 4423 instruction manual (PDF)\u003c\/a\u003e · \u003ca href=\"\/blogs\/buying-guides\/best-singer-sewing-machines-2026\"\u003eBest Singer sewing machines, every model compared\u003c\/a\u003e · \u003ca href=\"\/collections\/heavy-duty-sewing-machines\"\u003eHeavy duty sewing machines\u003c\/a\u003e · \u003ca href=\"\/blogs\/buying-guides\/best-sewing-machine-for-beginners\"\u003eChoosing your first sewing machine\u003c\/a\u003e · \u003ca href=\"\/blogs\/beginner-guides\/sewing-machine-maintenance\"\u003eHow to clean and maintain a sewing machine\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSpecifications and included accessories are from SINGER's product information for SKU 230422112.\u003c\/em\u003e\u003c\/p\u003e","brand":"Singer","offers":[{"title":"Default Title","offer_id":67709519626342,"sku":"230422112","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/7872\/8294\/files\/HD-30637_HD4423_FrontAngle_b1a7f526-610c-42ed-85f9-5203e83804a2.jpg?v=1792017846","url":"https:\/\/threadworks.com\/products\/singer%c2%ae-heavy-duty-4423-sewing-machine","provider":"ThreadWorks","version":"1.0","type":"link"}