Creality 42-40 Stepper Motor

Creality 42-40 Stepper Motor – 1A 1.8° 0.4N·m – Extruder Motor – Genuine Replacement The Creality 42-40 Stepper Motor is a genuine Creality replacement motor designed to provide precise and reliable motion control for compatible Creality FDM 3D printers. Featuring a 1.8° step angle, 1A rated current per phase, and 0.4 N·m holding torque, the 42-40 motor delivers the controlled rotational movement required for accurate filament feeding and other compatible printer motion applications. Its robust 42 mm frame and 40 mm body provide the torque and stability required for reliable operation during long print jobs. Product Function When used as an extruder motor, the 42-40 stepper motor drives the extrusion mechanism responsible for feeding filament toward the hotend. Precise motor control helps provide: Accurate filament feeding Consistent extrusion Controlled filament retraction Smooth extruder operation Reliable filament loading Stable material flow Consistent printing performance Depending on the printer model and configuration, 42-40 motors may also be used for compatible axis-motion applications. Key Features Genuine Creality replacement stepper motor 42-40 motor configuration 42 × 42 mm frame Approximately 40 mm motor body length 1.8° step angle 200 steps per revolution 1A rated current per phase 0.4 N·m holding torque Two-phase stepper motor Precise rotational control Reliable holding force Designed for Creality FDM 3D printers Suitable for extruder and compatible motion applications Ideal replacement for a damaged or malfunctioning original motor Specifications Brand: Creality Product Type: Stepper Motor Motor Type: 42-40 Phases: 2-Phase Frame Size: 42 × 42 mm Motor Body Length: Approx. 40 mm Step Angle: 1.8° Steps per Revolution: 200 Rated Current: 1.0A per Phase Holding Torque: 0.4 N·m Shaft Type: D-Shaped Shaft Diameter: Approx. 5 mm Shaft Length: Approx. 21–22 mm Approximate Weight: 290 g Application: Extruder / Printer Motion System Printer Type: FDM/FFF 3D Printer Compatible Printers The Creality 42-40 motor family is used across multiple Creality printers, including applicable configurations of: Creality Ender-3 Creality Ender-3 Pro Creality Ender-3 Series Creality Ender-5 Series Creality CR-10 Creality CR-10 Series Compatibility can vary depending on the axis, shaft configuration, pulley/gear configuration, cable connection, and production revision. Always compare the specifications and physical configuration of your original motor before ordering. When Should the Stepper Motor Be Replaced? Consider replacing the motor when troubleshooting: Motor does not rotate Extruder repeatedly skips Inconsistent filament feeding Motor stalls during operation Abnormal vibration Excessive or unusual motor noise Damaged motor shaft Damaged electrical connector Intermittent motor operation Loss of torque Motor confirmed defective during troubleshooting If the problem involves filament feeding, inspect the nozzle, hotend, extruder gears, and filament path before replacing the motor. A clogged nozzle or jammed extrusion mechanism can produce symptoms similar to a defective motor. Important Compatibility Information Not every Creality 42-40 motor is mechanically identical. Different versions may use: Different shaft lengths Round or D-shaped shafts Press-fit gears or pulleys Different cable lengths Different connectors Different installation positions For this reason, compare the original motor, shaft, connector, and mounting configuration before ordering. Package Includes 1 × Creality 42-40 Stepper Motor Important Notes This listing is for the stepper motor only unless otherwise specified. Extruder assemblies, brackets, cables, gears, pulleys, and other printer components are not included unless shown or specifically stated. Always power off and unplug the printer before replacing a stepper motor.