DE20000
DE 20002 in Ankara.
Type and origin Power type Diesel-electric Builder GE Transportation Systems, USA Model GE U18C Build date 1957–1958 Total produced 5
Specifications Configuration: ​  • UIC Co'Co' Gauge 1,435 mm (4 ft 8+1⁄2 in) Length 16.4 m (53 ft 10 in) Loco weight 102 tonnes (100 long tons; 112 short tons) Engine type Cooper Bessemer FVBL 12T Cylinders 12
Performance figures Power output 1,320 kW (1,770 hp)
Career Operators Turkish State Railways Numbers DE20001 – DE20005

TCDD DE20000 were the first diesel-electric locomotive built for operations on Turkish State Railways. Five General Electric U18C units with Cooper Bessemer engines were built in 1957–58. All the locomotives are now retired from service.