| Dimension | Measurement | |-----------|-------------| | Body Length (L) | 40 mm | | Width / Height | 42 mm × 42 mm | | Shaft Diameter | 5 mm | | Shaft Length (flat side) | 20 – 24 mm | | Mounting Holes | 4 × M3, spaced 31 mm center-to-center | | Connector Type | 6-pin JST PH (but only 4 pins used) | | Weight | ~220 – 250 grams |
The is a staple component in many popular 3D printers, including the Ender 3 series, CR-10 series, and similar FDM machines. Known for its balance of torque, size, and affordability, the 42-40 plays a critical role in moving the print head, build plate, or filament extruder. Below is a detailed breakdown of its technical specifications, physical dimensions, and electrical characteristics. creality 42-40 stepper motor specs
| Pin | Wire Color | Signal | |-----|------------|--------| | 1 | Blue | A+ | | 2 | Red | A- | | 3 | Green | B+ | | 4 | Black | B- | | 5 & 6 | – | Not connected | | Pin | Wire Color | Signal |
