A pitador or labrabull is a mix between a Labrador and a pit bull. They will usually will stay medium size some will be at the larger frame. My labrabull is about 56 pound adult size. I know of some that are 70-80 pounds.
This will also depend on the pit bull’s size, not all pit bull’s are the same. If your lab is mixed with an Am staff the offspring can be shorter. The American Pit bull terrier are the larger sized pit bull breeds.
You can generally tell how big the pups are going to be looking at the sire and dam of the puppies. Mostly the labrabull and pitador will have the same height of a pit bull. The offspring’s are a great mix and usually very healthy with long nose and smaller frames are better for hip issues.