With 743 PSI, Turkish Kangals have the strongest bite. These guard dogs protect livestock.
Kangal
The massive Mastiff has a 556 PSI bite. Though gentle, it's an intimidating deterrent.
Mastiff
Known for police work, Rottweilers have a bite force of 328 PSI to take suspects down.
Rottweiler
Often used for military and police applications, German Shepherds have a 238 PSI bite.
German Shepherd
Their bad reputation, Pit Bulls register 235 PSI bites, quite powerful for their size.
American Pit Bull
With 600 pounds of pressure per square inch, Dobermans have a strong 235 PSI bite force.
Doberman Pinscher
Used for big game hunting in South America, Dogos have a bite force of 500 pounds of pressure, or 226 PSI.
Dogo Argentino