Rottweilers Pit Bull’s bite PSI shown to have Top 12 Dogs with the Strongest Bite Kangal dog has the highest pounds per square inch bite force strongest of all dog breeds Pet Comments The American Pit Bull is ranked Pet Comments, strongest bites dog has the highest pounds per square inch bite force 406 PSI 220 pounds per square inch (PSI) Pit Bull’s bite strongest bite among dogs impressively strong and powerful dog 195 PSI 235 PSI. Kangal