Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. TCDD DE18000 - TCDD DE18000 are a type of diesel-electric locomotive built for operations on Turkish State Railways by Materiel de Traction Electrique. The order was a trial for a ligher version of the DE24000 and only five units were delivered. The units were mostly used around Izmir and are now retired.
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Mean Of Transportation