Until 1914 most of the farm tractors were similar in size to steam traction engines. The Hart-Parr 30-60 weighed 19,750 pounds and its 2-cylinder engine had a 10-inch bore and a 15-inch stroke. The ...

The Work Bull dug to 13 feet and had a dump height of 10 feet. In 1953, long-established Canadian agricultural equipment company Massey-Harris acquired the tractor-building business of Harry Ferguson ...