TMH and Samara Metro signed a contract to extend the lifecycle of five Series 81-717/714 metro carriages through a general overhaul. The refurbished rolling stock will be returned to the customer by the end of the year. The lifecycle of the carriages will be extended by an extra 15 years. All needed operations will be performed by TMH’s plant in St. Petersburg. The carriages were produced in the 1990s. They will receive new electric equipment, bogie frames, wheelsets, engines, handrail coati
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