Task: Text Categorization
Input (English): Context: TCDD DH33100 were diesel-hydraulic locomotive built for shunting operations on the Turkish State Railways. 38 units from Maschinenbau Kiel (MaK) were built starting in 1953. In 1980–81 the shunters were rebuilt with Cummins Diesel KT1150L engines.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)WrittenWork, 3)MeanOfTransportation, 4)Album
Output (English): 3