From his lofty position in the stable yard, Digger has become used to looking down on the world.
Indeed, he is so high and mighty that his handler Lisa McFarlane is finding it hard to chart his exact size.
She is pictured here with her measuring bar which extends to 19 hands, and Digger stands well clear of the top.
Best estimates put the strapping Clydesdale at 19 hands and two inches (6ft 6in)- on a par with Britain's biggest living horse.
And at just four years old, Digger is the equivalent in equine terms to a teenager so there is still time for him to grow. Scroll down for more ...
Digger towers over Rebecca McKnight, who is 5 foot 10 inches. Rebecca is head groom at the International League for the Protection of Horses in Aboyne, Scotland
He arrived at the International League for the Protection of Horses' Belwade Farm in Aboyne, Scotland, shortly before Christmas and has swiftly made himself at home.
His previous owner had health problems and was finding it increasingly difficult to cope with such a big horse.
Eileen Gillen, farm manager, said: "He is the largest horse we have ever had. He is the equivalent of a growing teenage boy --never out of the fridge. Heaven knows what size he is going to end up."
With his head up Digger measures close to 9ft. Horses are traditionally measured in four-inch "hands" from the ground to the withers, which is the highest point of the spine before it becomes the animal's neck.
Digger is now neck and neck with Cracker, a shire horse in Lincolnshire measured at 19 hands and two inches in 2005. Tina, a shire from Tennessee, was named tallest horse in the world last year, measuring 20 hands. Scroll down for more ...
Rebecca with Digger and Sweep the Shetland pony, the smallest horse at the centre
Could someone lend me a ladder? Digger measures 6ft 6in and may still grow
6ft 6ins and still growing ...Digger the Clydesdale becomes Britain's biggest horse | the Daily Mail