国内初のHV機関車 JR貨物が試作車を報道陣に公開 [JR Freight unveils prototype of Japan's first hybrid locomotive to media]. The Sankei Shimbun (in Japanese). Japan. 25 March 2010. Archived from the original on March 29, 2010. Retrieved 30 March 2010.
国内初のHV機関車 JR貨物が試作車を報道陣に公開 [JR Freight unveils prototype of Japan's first hybrid locomotive to media]. The Sankei Shimbun (in Japanese). Japan. 25 March 2010. Archived from the original on March 29, 2010. Retrieved 30 March 2010.