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The main objective of this paper is to select the best design concept of a corn shelling machine in the early phase of product development process and the Fuzzy Analytic Hierarchy Process method is proposed for the selection of the best concept. Three alternative design concepts of a corn shelling machine which are C1, C2 and C3, had been generated and evaluated for identifying the most promising design concept. The judgment and decision during concepts evaluation are made with respect to a set of criteria which has been defined based on customer needs and designers intentions. The selection criteria are ease of use, ease of maintain, capacity, safety, ease of manufacture and cost of manufacture. Through the application of Fuzzy Analytic Hierarchy Process, the result shows design concept C3 has the highest total score and is ranked first, design concept C2 is ranked second, and design concept C1 has the lowest rank. According to the result, design concept C3 is chosen as the best concept of a corn shelling machine.