Twotrees 4 Lead Nema17 Stepper Motor 42 Motor Nema 17 Motor 23mm 42BYGH 23MM 1.5A Motor for CNC XYZ 3D Printer Motor (Pack of 3）

Works well so far.

Used 2 of the 3 of these on my ERC Tim Sav Pin Cutter and it's been operating well without issue for over 6 months. The steppers seem to be very accurate and I'm pleased with the smoothness of operation and the noise level produced.

I was having trouble getting a replacement motor for the y axis on my Fox Alien laser engraver. Since they don't publish part numbers or motor data I had to go old school and found the info I needed and this motor was a perfect replacement. Only thing is you might have to reverse the motor leads depending on which side you use it on.I'm very pleased with my purchase.

1.5 A is too much for most hobbyist projects, but that is no fault of the part. Once I had a driving circuit designed that could drive 1.5 A the motors worked great and were also very accurate. From a hobby standpoint you should look for a motor that requires less than 500 mA.

I'm revising this review; thought it had burned out but turned out that it was a bad extension cable that had nothing to do with this stepper motor. I'm using it as the extruder motor for my Micro Swiss Direct Drive extruder with my Creality CR-10S Pro. It's been working great for months, reliably and accurately (after e-steps tuning and linear-advance tuning, of course).

I was initially disappointed in these as well. I tested them out by hooking them up to an Arduino UNO and L293D driver. They are very underpowered with that driver. Speed was good but torque was ridiculously low.I switched over to a DRV8825 driver and that made all the difference. I tested at 9 and 12 volts and motor is functioning great with very strong torque now. Under 9 volts, torque gets very weak so recommend 12 volts.In case you are having the same issue and are unfamiliar with the driver:https://lastminuteengineers.com/drv8825-stepper-motor-driver-arduino-tutorial/https://www.makerguides.com/drv8825-stepper-motor-driver-arduino-tutorial/Driver:https://www.amazon.com/gp/product/B07XF2LYC8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1Power supply:https://www.amazon.com/gp/product/B08KXWZ274/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Packaged well and delivered earlier than expected. Comes with connecting wires. A good product with great price I can find at the time of order. Will recommend and buy again from this seller.

CONNECTOR ON MOTOR END WIRED WRONG, CANNOT DIRECTLY PLUG INTO STRAIGHT PIN FOR PIN CABLE FOR 3D PRINTER OR LASER ENGRAVER. MUST CHANGE CABLE TO ONE THAT HAS A TWIST ON MOTOR SIDE OF CABLE THAT REVERSES MIDDLE PINS. INCORRECT WIRING INDICATON IS THAT MOTOR OSCILLATES IN ONE PLACE WITHOUT TURNING. MY PURCHASE INCLUDED A CABLE THAT HAD ALREADY BEEN MODIFIED TO WORK WITH STANDARD DRIVER BOARDS, JUST SWAP YOUR CURRENT CABLE IF MOTOR ONLY OSCILLATES IN ONE PLACE ONLY AND VIBRATES WHILE POWERED

Replaced my filament feed stepper on my Ender 3. was quite impressed with the weight difference and I think it's helped with the quality of my prints. 132.8g compared to the original 285.0g ... almost 1/3 pound difference on my direct drive conversion. Every bit helps.

Works with Artillery Genius - but you'll have to save the screws from the former unit so that the circuit board has anchor points.