Siberian Huskies are packed with lean muscle allowing them to pull heavy sleds for miles with immense stamina.
Massive and heavily muscled, Saint Bernards have the strength to haul and rescue people from avalanches.
Rottweilers are robustly built dogs with strength to pull thousands of pounds and overwhelmed unwanted intruders.
German Shepherds have muscular physiques enabling them to take down suspects and excel in bitework and schutzhund sports.
Bred to pull sleds, the Alaskan Malamute has tremendous strength and stamina to haul over 1,000 pound loads.
Compact yet powerful, Dobermans possess great strength for their size suited for police and protection work.
Though short, bulldogs have incredible jaw strength and the muscle mass to take down large prey like bulls.