The base contract for 40 trains includes a three-year warranty and the winning bidder will maintain the fleet for a minimum of 15 years. Deliveries must begin within 24 months of contract signing.

The contract will include options for 40 extra trains and an additional 15 years’ maintenance.

The base contract has an estimated value of Leu 1.7bn ($US 403m), increasing to Leu 4.6bn if the vehicle and maintenance options are exercised.

The order is being financed by the European Union through the Large Infrastructure Operational Programme 2014-2020.

The deadline for submission of offers is June 3.