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Tractor Costs and Rates of Performance: A Preliminary Report of Data Secured in 1937 Covering the Cost of Operation and the Rate of Performance on Farm Tractors in Minnesota and Summaries for 1933, 1934, 1935 and 1936



UNIVERSITY OF MINNESOTA Department of Agriculture -0­ TRACTOR COSTS AND RATES OF PERFORMANCE A preliminary report of data secured in 1937 covering the cost of operation and the rate of performance on farm tractors in Minnesota and summaries for 1933. 1934• ~935 and 1936 By George A. Pond Division of Agricultural Economics and Arthur J. Schwantes Division of Agricultural Engineering - 0-­ Mimeographed Report No. 97 Division of Agricultural Economics Universi ty Farm St. Paul, Minnesota March. 1938 " T~CTOR COSTS .AND RATES OF PERFOBMANqE!lo , Source of Data The operators of 21 tractors submitted records of the cost of operaHng their tractors and of the amount and kind of work done by them during the ~e~ 1937 to the Minnesota Agricultural Experiment Station. These records were obtained from 17 farms. On three of these farms, two tractors were used. Seventeen of jhe re­ cords cover the use of tractors for the full calendar year and four cover tractors that were purchased during the year. T~ree of these tractors were purchased, in 1928 and 1929, seven in 1930 to 1935, inclusive, and eleven i~ 1936 and 1931. They in­ clude" two McCormick Deering, Model F-l?; three McCormick-Deering, Model F-:-20; one McCormic~-Deering, Model 10-20; two ,John Deere, Model GP: two AllisCh~ers, Model W-C; on~ McCormick-Deering, Model F-30; one Minneapolis-Moline, Model MTA; two Case, Model CC; three John Deere, Model A; one McCormick-Deerin&Model WX-4o; one Case, Model L; one John Deere, Model D; and one Diesel Caterpillar, Model RD-4. The aver­ age estimate of the operators as to the total life of these tractors was eleven years. In Tables 5 and 6, the tractors equipped with rubber tires are indicated. The average life of the tires is estimated at six and one-half years. The separa­ tion into two-plow, three-plow and four-plow classifications is more or less arbi­ trary and is based largely on the horse-power rating of the tractor. Two-bottom

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