ÖBB class 2070 diesel is a Siemens / Vossloh built locomotive of the Vossloh type G 1700 BB. In Austria these locomotives are usually known by the name Hector.
Picture 6.7.2015 at Salzburg Hauptbahnhof by Ilkka Siissalo.

The Hercules or Siemens type ER 20, ÖBB class 2016 is Austrian federal railways ÖBB's largest and most modern diesel locomotive.
Picture at Villach station 6.7.2015 by Ilkka Siissalo.

Another Br2016 Siemens Hercules diesel ready to start pushing a "CityShuttle" regional train steering cab wagon first.
Picture at Linz station 15.3.2018 by Ilkka Siissalo.

A class 2067 diesel shunter at the Innsbruck station 27.4.2002.These were built 1959-78 by SGP in Wien. Top speed is a modest 65 km/h and the power generated is only 440 kW.
Picture by Ilkka Siissalo.

A class 2067 diesel shunter at Graz station 8.7.2007. Photo by Ilkka Siissalo.

A class 2068 diesel shunter is a common sight at stations in Austria. This one in the previous "Blutorange" painting scheme was photographed at night time at the Wien Südbahnhof 2.1.2003 by Ilkka Siissalo.

This class 2068 shunter no. 003 has just received a full service (Hauptrevision) together with a new painting. Picture at Bludenz station 27.1.2013 by Ilkka Siissalo.

A class 2043 diesel by the so called Ausserfernbahn line between Innsbruck and Garmisch Partenkichen. These machines were built since 1964 as general all purpose locomotives for non-electrified lines. They were built by Jenbacher Werke. A total of 77 machines were built in 3 series. Most machines of this class were taken out of service after 2004 when the new Hercules class 2016 became available.
Picture at Bichlbach-Berwang station 25.4.2002 by Ilkka Siissalo.

A class 2070 diesel, which is the Siemens / Vossloh type G 1700 BB, also known as Hector, seen here at the St Pölten station.
Picture 3.1.2003 by Ilkka Siissalo.