Adds Twin Unit versions of diesel locomotives - ALCO HH 600, Alco PA (Alco PA/PB), EMD GP 9, EMD SD40-2, GE C40-8W, China railways DF5.
- Extract the archive (rar, zip),
- Put files into Mods folder, located in in the game installation folder, or path 'Local Disc':\Users\'Your Username'\AppData\Roaming\Transport Fever 2\mods
(Mod folder name must finished on "_1", in order to recognise mod correctly),
- Turn mod on in game's mod settings page,
- Play :)