|Logistik Service GmbH (LogServ), subsidiairy of Voest-Alpine from Austria ordered two ES 64 U4 locomotives in 2008. Like the machines running for the Vogtlandbahnen/ALEX, these multi-purpose locomotives are homologated for Germany and Austria only.
On 29.06.2011, LogServ acquired a third locomotive from Siemens, that belonged to the stock fleet up til then. LogServ already hired the machine since 2010 for additional services. It was delivered and repainted as 1216 932. A fourth machine was added to the fleet during the summer of 2012. This time, 183 701 'Train of Ideas' was purchased and integrated into the fleet as 1216 933. Since June 2013, CargoServ is officially the name of the rail operator of the LogServ organisation.