Maintenance of Hitachi Locomotive

28 units of HDI0C Hitachi locomotives entered RAI rolling stock during 1971 to 1975. These locomotives, with about 1000 HP power, are operating as shunting locomotives. Currently, 20 units of these locomotives are serving in the RAI fleet; of which 7 units are in Mashhad and 13 units are in Tehran. Tora has been assigned to Perform maintenance, repair, and overhaul of these locomotives in Tehran and Mashhad depots, in a three-year contract. Since they are used as shunting locomotives and considering their old age, maintenance of these locomotives needs special attention. Also, Because of the old age of the locomotives, supplying the spare parts and equipment is a crucial business in order to reach to a higher availability and reliability level.