Farm Tractors: Trends in Type, Size, Age and Use
Agricultural Research Service, U.S. Department of Agriculture, 1960 - Agricultural machinery - 16 pages
This report summarizes and interprets the latest available data on trends in the type, size, age, and use of farm tractors in the United States.
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1956 Thousands Thousands 35-belt horsepower 40 percent acres age of tractor Atlantic and East average service belt horsepower Census of Agriculture cost per hour crawler tractors declined diesel tractor East North East South East South Central erage farm crawlers farm tractors farmers farms and annual farms and distribution farms Jan Fuel and Motor gallons Percent gallons garden tractors hours annually Hours Hours Hours increase in number internal combustion engine Kero large wheel tractors larger farms machines Maximum-belt horsepower Motor Oil Consumption newer tractors North Central Region November Jan number of tractors Number on farms Percent gallons Percent Percent Percent Percent Percent Thousands Percent plow rated drawbar horsepower rubber tires small tractors South Atlantic standard wheel tractor steam tractors Thousands Hours Hours Thousands Percent Percent Thousands Thousands Hours Thousands Thousands Thousands tractor manufacturers tractors increased tractors on farms tractors were defined types of tractors West North Central West South wheel tractors produced