{"product_id":"ldo-motors-ldo-42sth40-1684acrss9t-9-tooth-nema17-motor","title":"LDO Motors LDO-42STH40-1684AC(RSS9T) 9 Tooth Nema17 Motor","description":"\u003cp\u003eCoreXY and Voron builders understand that precise and reliable stepper motors are essential to avoid layer shifting and maintain print accuracy — a weak or incompatible motor can cause missed steps and print failures.\u003c\/p\u003e\u003cp\u003eThe LDO Motors LDO-42STH40-1684AC(RSS9T) is a NEMA 17 stepper motor with a 1.8° step angle and 200 steps per revolution, delivering 4.5Kgf cm holding torque. This 40mm body motor with a 9-tooth 24mm output shaft is commonly used in high-performance DIY builds like the Galileo G2Z XL and Voron 350mm Z-axis assemblies. Its 1.68A phase current ensures smooth, precise motion control, making it ideal for CoreXY and Klipper-based printers requiring consistent layer alignment.\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep Angle\u003c\/td\u003e\n\u003ctd\u003e1.8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteps Per Revolution\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Current\u003c\/td\u003e\n\u003ctd\u003e1.68A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolding Torque\u003c\/td\u003e\n\u003ctd\u003e4.5Kgf cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Shaft\u003c\/td\u003e\n\u003ctd\u003e24mm, 5mm diameter, 16mm D-Shaped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Printers\u003c\/td\u003e\n\u003ctd\u003eVoron 2.4, Trident, Galileo G2Z XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhy Upgrade?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsures precise Z-axis movement in Voron 2.4 and Galileo G2Z XL builds, reducing layer shifts.\u003c\/li\u003e\n\u003cli\u003eDelivers consistent torque for CoreXY and Klipper printers requiring reliable stepper performance.\u003c\/li\u003e\n\u003cli\u003eImproves print quality by maintaining accurate step resolution and smooth motion.\u003c\/li\u003e\n\u003cli\u003eCompatible with high-end DIY builds needing a robust 9-tooth NEMA 17 motor for Z-axis or other axes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoron 2.4 and Trident builders upgrading their Z-axis motors for improved reliability.\u003c\/li\u003e\n\u003cli\u003eGalileo G2Z XL users replacing or upgrading their stock stepper motors.\u003c\/li\u003e\n\u003cli\u003eCoreXY and Klipper ecosystem enthusiasts requiring precise stepper control.\u003c\/li\u003e\n\u003cli\u003eDIY 3D printer builders needing a high-torque, 9-tooth NEMA 17 motor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePair With the Right Filament\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReliable stepper motors like this LDO model ensure consistent extrusion and layer alignment, which is critical when printing with demanding filaments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/pla-filament\"\u003ePLA Filament\u003c\/a\u003e — ideal for everyday prints requiring smooth motion and accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/petg-filament\"\u003ePETG Filament\u003c\/a\u003e — benefits from stable stepper performance to avoid stringing and layer issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/tpu-flexible-filament\"\u003eTPU Flexible Filament\u003c\/a\u003e — precise motor control helps manage flexible filament extrusion.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"West3D 3D Printing Supplies","offers":[{"title":"Default Title","offer_id":52735657312550,"sku":"LDO2010","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/1986\/2822\/files\/ldo-motors-ldo-42sth40-1684acrss9t-9-tooth-nema17-motor-west3d-3d-printing-supplies-ldo-motors-556904.jpg?v=1773259426","url":"https:\/\/supplies3d.shop\/products\/ldo-motors-ldo-42sth40-1684acrss9t-9-tooth-nema17-motor","provider":"SUPPLIES3D","version":"1.0","type":"link"}