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(Redirected from Class ED73)
Japanese electric locomotive type
The Class ED73 design was broadly derived from the Class ED72 locomotives introduced a year earlier, but as the Class ED73 was primarily intended for use on freight services, it did not include a steam generator for train heating, and was therefore 3 m (9 ft 10 in) shorter than the Bo-2-Bo wheel arrangement Class ED72. The DT119B bogies were also almost identical to those used on the full-production Class ED72 locomotives.
History
A total of 22 locomotives were built by Toshiba between 1962 and 1963. The first locomotives were delivered to Moji Depot in northern Kyushu.
In the late 1960s, the entire class was modified with improved braking performance for use on express freight services, and the locomotives were renumbered in the ED73 10xx series. The locomotive numbers were painted yellow at this time. In later years, the class was also used on overnight sleeping car services, as these trains did not require steam heating.
The class was withdrawn by the early 1980s. No examples of the class have been preserved.
The first locomotive delivered, ED73 1, in 1962
Japanese National Railway Electric Locomotives