Ford officially concluded its run as a tractor manufacturer in 1991. It sold its tractor division to Fiat that year, which didn't come as too much of a surprise when the deal went through.

Phil Warren, who owns a farm near Ashwater, in Devon, purchased his first collectable tractor in 1989. The 77-year-old built up a selection of 83 vintage Ford tractors, some of which sold for more ...