At first, the rolling stock consisted of diesel units provided by the Lower Silesian voivodeship government which had previously been used by Przewozy Regionalne (now known as
Polregio): one
SA106, one
SA132, three
SA134 and three
SA135 Diesel multiple units. Additional Diesel units were purchased in 2010 (three
SA135 vehicles), 2011 (three
SA134 vehicles) and 2015 (modern Pesa Link units marked as SA139). Koleje Dolnośląskie obtained their first
electric multiple unit from
Polregio in 2013 (it was an EN57AL which had been retrofitted the previous year). Three more
EN57-class units were purchased and
retrofitted at the cost of the
Lower Silesian Voivodeship. The company also purchased completely new electric vehicles – the first
Newag Impuls units (31WE) were ordered in 2011 in a batch of five. In 2014 the operator ordered six Impuls 36WEa units; the following year, they ordered five more 31WE units. The largest order in KD's history was its purchase of eleven 45WE units in 2017, which, when the order was placed, were described as "the most well-equipped and comfortable trains in the country". The company uses the following rolling stock: == Routes ==