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초록

The agricultural tractor is a multi-purpose vehicle, which is frequently used in the agricultural field. Itmust be highly reliable in terms of human safety. Design and analysis of agricultural tractors must beperformed using actual agricultural workload to maintain high reliability. Additionally, the frequency withwhich various components and systems are used must also be taken into consideration. In this study, atractor is built to measure its workload in the actual field. Further, the measured load was analyzed forvarious farming tasks. The range of ratios of consumed power to engine power was measured to be 42.6%–87.2%, 75.1%–97%, 26.5%–59.2% for a plow, rotary, and harvest tasks, respectively. The results were fedinto a transmission simulation model to analyze the strength and life of the transmission components. Weconclude that a more reliable product can be constructed by incorporating the transmission analyses using theactual load.

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