Stepper motor needs replacing

Hi, the stepper motor on my router is playing up and needs replacing. The serial number is 85bygh450a-06. I can,t find any information for the motor or a seller. But as this is maybe a weak link in the machine I wonder if it would be better to replace the motor with a stronger one. The bed of the router is 5 foot 5 foot. With a lot of weight. What would be the best way to go. And what dealer to use. I am in the UK. Thanks. It’s a single phase machine running mach3 and 25v power supply

Check out what the driver can do first, then work from there to identify the best Nema 34 motor for the job?

Thanks for reply. It’s running from a longs company driver.DM860A. 2H driver

Here you go -

https://www.google.co.uk/search?q=DM...hrome&ie=UTF-8

I'll stop Googling stuff now ;-)

Thanks for taking the time