The towing capacity of the 2018 Ford F-250 ranges from 12,300 to 13,300 lbs., depending on the truck’s configuration.

We go into full detail here:
https://www.kochfordlincoln.com/blogs/blog/towing-capacity-of-2018-f-250-1
https://www.kochfordlincoln.com/blogs/blog/towing-capacity-of-2018-f-250-2