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In 1933, the Kharkov Tractor Plant produced a 25,000th tractor. It was the SKhTZ 15/30. The SKhTZ 15/30 is a brand of the Soviet wheeled tractor, manufactured since 1930 by the Stalingrad Tractor Plant and since 1931 by the Kharkov Tractor Plant. The SKhTZ 15/30 was developed on the basis of the construction one of the best tractors of the time - the McCormick-Deering 15-30, produced by the American company International Harvester.
