sentences:  The passenger cars that Azerbaijan Railways ordered from Stadler in 2014 (see below) will be equipped with the DB AG/RAFIL Type V system of adjustable wheelsets to accommodate the change of gauge from 1,520mm to 1,435mm (standard gauge).In June 2018, Stadler signed a contract in Bussnang with the Georgian company Marabda-Kartsakhi-Railway LCC for the delivery of a gauge-changing facility (30 metres of special track) to be installed in Akhalkalaki.In June 2014, Azerbaijan Railways announced that they had signed a SFr 120 million (EUR 115 million) contract with the Swiss firm Stadler Rail AG to supply 3 ten-car variable-gauge sleeper trains, with an option for 7 more.