American Society of Agricultural and Biological Engineers
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A method for fuel efficiency classification of agricultural tractors
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org
Citation: Paper number 131621100, 2013 Kansas City, Missouri, July 21 - July 24, 2013. (doi: http://dx.doi.org/10.13031/aim.20131621100) @2013
Authors: Changseop Shin, Kyeong U. Kim
Keywords: Fuel efficiency classification Agricultural tractor
Abstract. A general method was proposed to classify fuel efficiency of agricultural tractors using fuel consumption data taken from the OECD tractor test report. The classification index comprised of four sub-indexes was designed to reflect operational characteristics of tractors and manufacturerâ€™s fuel saving technology embedded in tractors. It was also intended to have tractors distributed normally over the classification grades. The weightings for the sub-indexes, number of classification grades and updating period of the index value were also discussed. The proposed method was applied to classify fuel efficiency of tractors in Korea into a five-grade system with 15% for the 1st, 20% for the 2nd, 30% for the 3rd, 20% for the 4th, and 15% for the 5th grades, respectively. The index values for each grade were calculated on the basis of performance data of 131 tractors tested over the five-year period from 2006 to 2010 and given as a function of rated PTO power. The classification results showed a reasonable distribution of tractors over the grades as intended. The proposed method can be utilized flexibly by assigning proper weightings to the sub-indexes depending on the classification purpose.
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