Ian, thanks....i read these article and these is why i came up with these two stepper motor with similar properties and price...

1. Motors installed in printer now are - 42HS48-1304 4JA05-D24
2. Creatbot F430

Regards

Hi all...

I am planing to upgrade in my existing 3D printer with Duet3 board. As well, thinking to upgrade Stepper motors. After extensive search i come up with two motor but cant decide on which one to stop. Both of them are similar in parameters and price.
Currently motors installed in printer are - 42HS48-1304 4jA05-D24

1. Trinamic 47-28-040 - https://www.trinamic.com/fileadmin/assets/Products/Motors_Documents/QSH4218_manual.pdf.
2. Nanotec ST4118L3004 - https://en.nanotec.com/products/376-st4118l3004-b/

Thanks for your expert advises....