
The DE 18000 locomotive is a diesel-powered, electric-drive shunting and light-duty locomotive with a Bo’Bo’ axle configuration. These units were imported in limited numbers (5 units) in 1970 by the Turkish State Railways (TCDD) for use on tracks with low axle load requirements. Structurally, they incorporate the basic features of diesel-electric propulsion systems.Diesel-Electric Propulsion SystemAs stated in the MEGEP “Railway Vehicles” module, in diesel-electric locomotives, the mechanical en
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Yusuf İslam Tuğla

The DE 11000 locomotive is a Bo'Bo' axle arrangement series with a diesel-electric drive system used by the Turkish State Railways (TCDD) for shunting and short-distance freight transport tasks. Entering service in the 1980s, these locomotives—some of which were imported from Germany and others domestically manufactured by TÜLOMSAŞ—are powered by 785 kW MTU 8V396 engines and can reach a maximum speed of 80 km/h. It represents a transitional product in Türkiye’s domestic locomotive technology. Wi
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Yusuf İslam Tuğla