Dogs that are working and that gain weight easily

Want to know more about dogs that are working and that gain weight easily? See all the dogs that fit this criteria and learn more about what it's like to have these dogs as pets.

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  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to groom, high potential for weight gain, strong loyalty tendencies, good hiking companion
  • colors: red, black, blue, white
  • patterns: bicolor, tricolor
  • coat length/texture: short
  • temperament: gentle, friendly, willful, playful
Greater Swiss mountain dogs are extra-large pups who often top 100 pounds. Their energetic, outgoing, and friendly nature makes Swissies excellent family dogs.
  • breed group: working
  • breed size: large (61-100 lbs.)
  • other traits: easy to train, easy to groom, prone to health issues, highly territorial, high potential for weight gain, strong loyalty tendencies, good hiking companion
  • colors: brown / chocolate / liver, black
  • patterns: black and tan
  • coat length/texture: medium
  • temperament: gentle, playful, aloof
Rottweilers are smart, hard-working dogs that can be gentle and devoted family pets with proper positive reinforcement training. Learn more about living with Rottweilers.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to train, easy to groom, prone to health issues, highly territorial, high potential for weight gain, apartment-friendly, strong loyalty tendencies
  • colors: fawn
  • patterns: bicolor, brindle
  • coat length/texture: short
  • temperament: gentle, friendly, protective
Mastiffs are loyal, gentle dogs, famous for their extra-large size and propensity for drooling. Learn more about living with mastiffs, one of the oldest dog breeds.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to train, easy to groom, prone to health issues, highly territorial, high prey drive, high potential for weight gain, apartment-friendly, strong loyalty tendencies, good hiking companion
  • colors: red, fawn
  • patterns: brindle
  • coat length/texture: short
  • temperament: gentle, friendly, outgoing, playful
Bullmastiff dogs are loyal, trusting, and gentle giants that offer only great companionship. If you’re fond of big, smart dogs with sweet dispositions, learn more about the lovable bullmastiff.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: prone to health issues, highly territorial, high prey drive, high potential for weight gain, strong loyalty tendencies
  • colors: fawn
  • coat length/texture: short
  • temperament: gentle, willful
Dogues de Bordeaux are known for their massive proportions—and that applies to the big hearts they have for their owners, too. Learn more about what it takes to care for these sweet, drooly giants.
  • breed group: working
  • breed size: large (61-100 lbs.)
  • other traits: easy to train, requires lots of grooming, prone to health issues, highly territorial, high prey drive, high potential for weight gain, cold weather tolerant, strong loyalty tendencies
  • colors: black, gray, red, blue, cream, white, fawn, gold / yellow, brown / chocolate / liver
  • patterns: bicolor, tricolor, brindle, liver and tan, black and tan, blue and tan
  • coat length/texture: long
  • temperament: gentle, willful, aloof
Known as a national treasure in Japan, Akitas have wooed American dog-lovers with their loyalty, watchfulness, and graceful strength. Learn more about living with the Akita.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to train, requires lots of grooming, tendency to chew, prone to health issues, highly territorial, low prey drive, high potential for weight gain, loves water, cold weather tolerant, good for first-time pet owners, strong loyalty tendencies, good hiking companion
  • colors: black, gray, brown / chocolate / liver
  • coat length/texture: long
  • temperament: gentle, friendly, playful
Few dogs fit the description of majestic but gentle giants as well as the loving, sweet, and mild-tempered Newfoundland. Easygoing with children and loyal to their families, they’re devoted pets you’ll want to learn more about.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to train, requires lots of grooming, high potential for weight gain, cold weather tolerant, good hiking companion
  • colors: brown / chocolate / liver, red, gold / yellow, cream
  • coat length/texture: medium
  • temperament: gentle, friendly, playful
Prodigiously strong yet famously gentle, the German-born Leonberger is possibly the largest “companion dog” on the planet.
  • breed group: working
  • breed size: large (61-100 lbs.)
  • other traits: easy to train, requires lots of grooming, highly territorial, high prey drive, high potential for weight gain, apartment-friendly, cold weather tolerant, strong loyalty tendencies, good hiking companion
  • colors: cream, white
  • patterns: bicolor
  • coat length/texture: long
  • temperament: gentle, friendly, willful, outgoing, playful
Samoyeds are so pretty and cheerful, it’s easy to think they’re lazy lap pooches who don’t want to muss up their stunning white coats. But learn why this loyal, clever, and impish work dog lives best with outgoing, athletic people.
  • breed group: working
  • breed size: large (61-100 lbs.)
  • other traits: easy to groom, tolerates being alone, highly territorial, high potential for weight gain, cold weather tolerant, strong loyalty tendencies
  • colors: brown / chocolate / liver, gold / yellow, black, blue, gray
  • patterns: bicolor, black and tan, liver and tan, blue and tan
  • coat length/texture: long
  • temperament: willful, aloof
Tibetan mastiffs are smart, strong-willed, and independent dogs who switch between obedient and willful depending on their mood. Learn more about living with the Tibetan mastiff.
  • breed group: working
  • breed size: extra large (101 lbs. or more)
  • other traits: easy to train, easy to groom, prone to health issues, low prey drive, high potential for weight gain, cold weather tolerant, good for first-time pet owners, strong loyalty tendencies, good hiking companion
  • colors: red, brown / chocolate / liver
  • patterns: bicolor
  • coat length/texture: long, medium
  • temperament: gentle, friendly, outgoing, playful
Patient and caring Saint Bernards aren’t just known for their massive size—they have huge hearts, too, full of devotion for their human companions. Intelligent, mellow, and playful, learn how they can serve and adore a family like yours.
  • breed group: working
  • breed size: large (61-100 lbs.)
  • other traits: easy to groom, tendency to chew, high prey drive, high potential for weight gain, cold weather tolerant, strong loyalty tendencies, good hiking companion
  • colors: white, black, gray, blue, red, brown / chocolate / liver
  • patterns: sable, bicolor
  • coat length/texture: long
  • temperament: friendly, willful, outgoing, playful
Loyal, intelligent, cuddly, and more than a little sassy, Alaskan malamutes apply a dedicated work ethic to everything they do—even playtime! If you’re eager to have one, learn more about their unique personality and needs.