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In the recent years, with the aim of reducing fuel consumption, air pollution, maintenance costs and … the use of light urban trains, metro trains and electric vehicles is increasing globally.

To address the urgent need for commercializing propulsion systems, founders of Taam Locomotive Arya group of companies decided to focus their R&D activities related to the field of development of various types of propulsion systems required by the clean transportation industry, in the form of a new company called RADSA 

Some of the successful projects of this group of companies in designing, manufacturing and supplying components and assemblies of rail transportation industry including designing and manufacturing metro traction motor for the first time in the country, manufacturing electrical machines of Iran locomotive fleet including traction motors, main and auxiliary generators, 3300 hp diesel engine block and other technologically complex assemblies such as locomotive turbochargers.