{"product_id":"creality-round-extruder-motor-for-k2-plus","title":"Creality Round Extruder Motor for K2 Plus","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003eYour \u003ca href=\"https:\/\/3dprintingstore.co.za\/products\/creality-k2-plus-3d-printer\"\u003eCreality K2 Plus\u003c\/a\u003e heats up, the CFS feeds filament to the toolhead, and then nothing happens. The extruder twitches, clicks once, and the screen throws a CM2784 or CM2788 error. Every idle hour is lost output, whether a client prototype or a four-colour production run.\u003c\/p\u003e\n\u003cp\u003eWhen the fault traces back to the extruder drive itself, the fix is a genuine Creality part, not a generic motor that will not talk to the K2's closed-loop controller. This K2 Plus extruder motor (Creality part number 4004100081) is the exact round E-axis servo motor fitted at the factory, so it bolts in, plugs in and calibrates through the printer's own firmware.\u003c\/p\u003e\n\u003cp\u003eThe result: your K2 Plus or K2 Pro back to full, consistent extrusion, usually in under an hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Creality part 4004100081 | Closed-loop E-axis servo motor | 1.8° step angle | 0.8 A rated current | Integrated helical drive gear | Fits K2 Plus and K2 Pro | Stocked in South Africa\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWho the K2 Plus extruder motor is built for\u003c\/h2\u003e\n\u003ch3\u003eSmall print farm operators\u003c\/h3\u003e\n\u003cp\u003eOne stalled K2 Plus means a queue of orders slipping, so you need a part that restores exact factory behaviour. Because this is the original Creality extruder motor with the same 0.8 A rating and 1.8° step angle, your existing Creality Print profiles carry straight over. Keep one on the shelf and a CM2784 failure becomes a 45 minute swap, not a two week wait for overseas shipping.\u003c\/p\u003e\n\u003ch3\u003ePrototyping engineers\u003c\/h3\u003e\n\u003cp\u003eFunctional prototypes in PETG, ABS or ASA depend on accurate, repeatable extrusion, because under-extruded walls fail under load and skew your test results. The K2's encoder-equipped extruder corrects missed steps in real time, which protects dimensional accuracy on long jobs. Replace a worn or faulty motor with this genuine unit and you can again trust a 20 hour print of a 300 mm enclosure to come off the bed with consistent wall strength.\u003c\/p\u003e\n\u003ch3\u003eSchools, makerspaces and training labs\u003c\/h3\u003e\n\u003cp\u003eShared machines take more abuse, from forced filament loads to badly timed cold pulls. When a student-used K2 Plus stops extruding, a technician needs a part that installs with basic hand tools and a documented calibration routine. This motor follows Creality's published replacement and calibration procedure, so a lab assistant can restore the machine between classes and have it printing the next set of design projects the same afternoon.\u003c\/p\u003e\n\u003ch2\u003eWhat sets this genuine K2 Plus extruder motor apart\u003c\/h2\u003e\n\u003ch3\u003eClosed-loop feedback that catches problems before they ruin a print\u003c\/h3\u003e\n\u003cp\u003eUnlike the open-loop \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Stepper_motor\"\u003estepper motor\u003c\/a\u003e on most desktop printers, the K2 Plus extruder runs as a \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Servomotor\"\u003eservo\u003c\/a\u003e style motor with a \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Rotary_encoder\"\u003erotary encoder\u003c\/a\u003e. The controller reads actual shaft position, so it detects when filament stops moving and releases the motor before the gears grind a notch into your filament. A failing encoder or winding produces false clog errors that no nozzle cleaning will fix.\u003c\/p\u003e\n\u003ch3\u003eFactory specification, so your profiles stay valid\u003c\/h3\u003e\n\u003cp\u003eThis is Creality part 4004100081, the same round E-axis motor the K2 Plus and K2 Pro leave the factory with. It delivers a 1.8° step angle and runs at a rated 0.8 A, matching the drive current the printer's toolhead board expects. You do not need to touch rotation distance, flow ratio or pressure advance values after the swap, because it matches the motor Creality used to tune its stock profiles.\u003c\/p\u003e\n\u003ch3\u003eIntegrated helical drive gear on a 3 mm shaft\u003c\/h3\u003e\n\u003cp\u003eThe motor ships with its helical pinion already cut on the 3 mm shaft, with a 6 mm gear length that meshes directly with the K2's reduction gearing. There is no press-fit gear to align or grub screw to work loose, which removes one of the most common causes of intermittent under-extrusion in \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Fused_filament_fabrication\"\u003efused filament fabrication\u003c\/a\u003e. If your extruder gears are also worn, pair it with the \u003ca href=\"https:\/\/3dprintingstore.co.za\/products\/creality-k-series-extrusion-gears-set\"\u003eCreality K2 Series Extrusion Gears Set\u003c\/a\u003e for a full drive refresh.\u003c\/p\u003e\n\u003ch3\u003eA repair you can finish yourself, with a documented calibration\u003c\/h3\u003e\n\u003cp\u003eCreality publishes a step-by-step motor replacement guide, plus an encoder and electrical zero calibration you run from the printer's Fluidd web interface (port 4408). The encoder calibration takes about 50 seconds. Forum reports show skipping it is the main reason a new motor twitches without turning, so install, calibrate, then print.\u003c\/p\u003e\n\u003ch2\u003eFull specifications for the K2 Plus extruder motor\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 6px; text-align: left;\"\u003eSpec\u003c\/th\u003e\n\u003cth style=\"padding: 6px; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eIdentification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCreality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eStore SKU\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCRE802\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCreality part number\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e4004100081\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePart type\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eRound extruder motor, E axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eMotor type\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eClosed-loop servo stepper with encoder feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eBody form factor\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eRound, NEMA 14 class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eStep angle\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1.8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eRated current\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e0.8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eShaft diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eDrive gear\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eIntegrated helical pinion, 6 mm length (L6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePrinting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eDrives filament through the K2 extruder gear train to the hot end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eFilament diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1.75 mm (printer standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCompatible printers\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCreality K2 Plus, K2 Plus Combo, K2 Pro, K2 Pro Combo, K2, K2 Combo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eNot compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eK1 series, Ender-3 V3 series, generic NEMA 17 extruders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eFirmware\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCreality OS (Klipper based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePost-install calibration\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eEncoder and electrical zero calibration via Fluidd console, about 50 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSlicer\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eCreality Print, stock profiles unchanged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePower and connectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePower source\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSupplied by the printer's toolhead board, no separate mains connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePlug-in connector to the K2 toolhead board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003eIn the box\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1 x K2 Plus round extruder motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOrdering your K2 Plus extruder motor: shipping and support\u003c\/h2\u003e\n\u003cp\u003eWe hold stock of this motor locally and ship it by courier across South Africa, with orders confirmed before 11:00 dispatched the same day. Warranty claims are assessed by our own technical team in South Africa, so you do not deal with an overseas return. You can also collect in Centurion or Boksburg, and add \u003ca href=\"https:\/\/3dprintingstore.co.za\/collections\/3d-printing\/Filament+PETG+1_75mm+Creality\"\u003eCreality PETG filament\u003c\/a\u003e and other \u003ca href=\"https:\/\/3dprintingstore.co.za\/collections\/3d-printing\/3D-Printer-Spare-Parts+Creality\"\u003eCreality spare parts\u003c\/a\u003e in the same order.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions about the K2 Plus extruder motor\u003c\/h2\u003e\n\u003ch3\u003eCan I use a K1 or generic NEMA 17 motor instead of this K2 Plus extruder motor?\u003c\/h3\u003e\n\u003cp\u003eNo, a K1 or generic NEMA 17 motor will not work. The K2 Plus and K2 Pro use a round, encoder-equipped closed-loop motor that the firmware identifies and calibrates, while K1 extruders use a conventional open-loop stepper. A non-matching motor will not fit the K2 extruder housing and will trigger motor identification errors.\u003c\/p\u003e\n\u003ch3\u003eWill a new motor fix the CM2784 error on my K2 Plus?\u003c\/h3\u003e\n\u003cp\u003eOnly if the motor itself has failed. CM2784 means the printer detected an extrusion anomaly, which is often a clogged nozzle, a stuck filament cutter or a loose hot end. Rule those out first. If the motor clicks without rotating, replace it, then run the encoder calibration. Owners who skipped calibration report the new motor twitching but not turning.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to install and calibrate?\u003c\/h3\u003e\n\u003cp\u003eMost owners finish the swap in 30 to 45 minutes. You remove the extruder cover, unplug and unbolt the old motor, then fit the new one. Afterwards, open Fluidd at your printer's IP address on port 4408, unload all filament, run the encoder calibration (about 50 seconds), restart, and complete the electrical zero calibration.\u003c\/p\u003e\n\u003ch3\u003eCan the motor handle PETG, ABS, TPU and carbon fibre filament?\u003c\/h3\u003e\n\u003cp\u003eYes, this is the same motor Creality fits for every material the K2 Plus supports. Material capability depends on the hot end and nozzle, so fit a hardened or \u003ca href=\"https:\/\/3dprintingstore.co.za\/products\/creality-unicorn-k2p-quick-swap-nozzle-0-4mm\"\u003eCreality Unicorn K2P Quick Swap Nozzle\u003c\/a\u003e for abrasive blends. Feed TPU from an external spool rather than through the CFS, as Creality recommends.\u003c\/p\u003e\n\u003ch3\u003eIs local warranty and technical support available in South Africa?\u003c\/h3\u003e\n\u003cp\u003eYes, warranty and technical support for this part are handled locally by 3D Printing Store. If the motor arrives faulty or fails under normal use, log a \u003ca href=\"https:\/\/3dprintingstore.co.za\/pages\/submit-technical-support-ticket\"\u003etechnical support ticket\u003c\/a\u003e and our team will diagnose it with you, including checking related parts such as the \u003ca href=\"https:\/\/3dprintingstore.co.za\/products\/creality-k2-plus-nozzle-adapter-board\"\u003eCreality K2 Plus Nozzle Adapter Board\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Creality","offers":[{"title":"Default Title","offer_id":52980752908575,"sku":"CRE802","price":499.99,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/0800\/0031\/files\/CRE802.png?v=1792399447","url":"https:\/\/3dprintingstore.co.za\/products\/creality-round-extruder-motor-for-k2-plus","provider":"3D Printing Store","version":"1.0","type":"link"}