sentences:  , the fleet totalled 82 locomotives (EH500-901 and EH500-1 to EH500-81).12 locomotives, EH500-45 to EH500-50 and EH500-67 to EH500-72, are based at Moji Depot, and the other 70 members of the class are based at Sendai.The prototype, EH500-901, was delivered to Sendai depot in September 1997 for extensive testing on the Tohoku Main Line and Kaikyo Line until March 1999.