Four diesel locomotives of type D 75 BB-SE were developed and delivered from 2004 onwards particularly for the Zillertal railway. They were led there under the names D13 to D16. Three more of these machines went to the Pinzgau Local Railway (SLB), whose names were Vs81, Vs82 and Vs83. The last locomotive rolled out of the Gmeinder factory hall in May 2012. The Vs81 was initially classified as series 2096 at the OeBB and referred to as series 2096 001-0, but then no longer served as a regular service, but was taken over by Salzburg AG. In 2018, the D13 of the Zillertal railway was sold to the Pinzgau Local Railway where it was classified as Vs84.The locomotives (by the way, affectionately known internally as "Lupo") are used both in front of passenger and freight trains and in shunting service, they have two end-driver's stands and a turning-train control. If required, they can be equipped with meter track or control track bogies. The locomotives have a power of 746 kW (1,040 HP), the m