The GVWR ( gross vehicle weight rating) of the F-150 ranges between 6,100 to 7,050 lbs and the payload capacity ranges between 1,485 to 2,311 lbs.

Click here for more detail about GVWR, curb weight, and payload capacity:
https://www.kochfordlincoln.com/blogs/blog/gvwr-payload-capacity-2018-ford-f-150