The ES 64 developed by Siemens Transportation System (TS) in Munich for four power systems (Eurosprinter with 6.4 megawatts / 8,582 horsepower continuous rating) was planned and is already in use for heavy service all over Europe. It can run on the alternating current systems (15 kilovolts / 16.7 Hertz) in Germany, Austria, Switzerland, Sweden, and Norway, (25 kilovolts / 16.7 Hertz) in Denmark, Luxembourg, Northern France, and Hungary. Its area of use on direct current systems (3 kilovolts) stretches from Belgium, Italy, and Poland (1.5 kilovolts) to the Netherlands and Southern France. It can also be used on the so-called mixed systems in Slovakia and the Czech Republic. DB Cargo ordered 100 units as the class 189 (delivery time 2003 to 2005). This locomotive comes with 2 trucks (B-B wheel arrangement), has a total weight of 87 metric tons, a length over the buffers of 19,580 millimeters / 64 feet 2-3/4 inches and reaches a maximum speed of 140 km/h / 88 mph. This locomotive borrows its looks from the modern DB electric locomotives with their striking end shape. The fluted walls on the locomotive serve to reduce weight and also give the locomotive a striking appearance on the sides. In addition to the four required type SBS 2T pantographs, the roof also has the AC main relay, the current system selection relay, and the lightening arrester. These components had to be mounted externally to allow enough space in the engine room for the direct current components and for train safety systems, which vary from country to country.