Japanese railway has high mass transport capability and safety record. Excellent infrastructure
improvement, maintenance, and operators have been attributed for the high standing. However, there are few studies on its foundation of product development management of rolling stock. In this paper, we describe the actual situation of product development process and management of rolling stock T3 of Japanese railway company Z and compare it with those of automobile and aircraft, in order to clarify the characteristics of product development management of rolling stock in Japan. The Japanese railway company is a project manager. It manages effectively and efficiently a multiple rolling stock manufacturers who are its suppliers, and leads the front loading activities of product development. This characteristic may pose a challenge to overcome in the global deployment of product development process and management of rolling stock in Japan.
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