Liebherr-Transportation Systems has been entrusted by Alstom Transport SA, Sofia (Bulgaria), with the delivery of spare parts for the maintenance of 82 passenger compartment and 48 driver's cab air conditioning units.
These were developed and manufactured by Liebherr and are installed by Alstom maintenance team in 24 three- and four-part electric multiple units of the Desiro Classic type.
The Desiro multiple units from Siemens Mobility are used in the regions around the cities of Sofia and Plovdiv.
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