TCDD DE22000 are 86 mainline locomotives built for the Turkish State Railways by TÜLOMSAŞ under license by General Motors Electro-Motive Diesel, based on the EMD G26CW-2. The locomotives use GM's 16 cylinder, direct injection 16 645E engine, AR10/D18 AC alternator and a D77-DC traction motor. The DE22000 are usually used for freight transport but are also used frequently for passenger transport.