It's the Dales Pony. For more information on this specific breed of pony, see the website of the Dales Pony Society at the Related Link.
The Dales pony originates from the Dales region of North Yorkshire in England. They were historically used as pack horses and for agricultural work due to their strength, agility, and hardiness. Today, they are prized for their versatility and are popular as riding and driving horses.
Dutch Warmblood. Pony breeds are Dales pony and Dartmoor pony
They can be up to 14.2 hands.
Fell Pony and/or Dales PonyHorse Isle : Fell Pony
Belgian
dales pony
Horse Isle Answer : Belgian
There are listings of dales ponies for sale in the state of Montana on Equinenow where a buyer can view details of each pony for sale including breed, birth, price and other important information
It is a cross breed of pony.
Dales ponies typically weigh between 800 to 1,000 pounds (360 to 450 kg). The weight can vary depending on the individual pony's size, health, and condition. Regular monitoring of weight and consultation with a veterinarian can ensure the pony maintains a healthy weight.
This was called the Pony Express. It only operated for a decade or so before cross-country telegram wires made this unprofitable.