| TCDD MT5600 | |
| Manufacturer: | Tüvasaş |
| Formation: | Railcar |
| Fleetnumbers: | MT5601 - MT5611 |
| Operator: | Turkish State Railways |
| Yearconstruction: | 1990 |
| Numberbuilt: | 11 |
| Carlength: | 25,190 mm |
| Width: | 2,850 mm |
| Height: | 3,925 mm |
| Floorheight: | 1,100 mm |
| Platformheight: | 480 mm |
| Entrylevelorstep: | two steps, with possibility of level entry |
| Art-Sections: | 1 |
| Doors: | 1 per side |
| Maxspeed: | 140 km/h alone or in pairs, 110km/h in triples, 85 km/h with trailer car |
| Weight: | 34.7 t (motor car) |
| Capacity: | 64 (also has standing in Turkish regional rail practice since tickets are sold classless and unnumbered) |
| Engine: | Cummins KTA 19 R |
| Poweroutput: | 410 kW |
| Transmission: | Hydraulic, Voith T320rz |
| Multipleworking: | Yes, can be coupled with an identical unit or MT5500, MT5700 |
TCDD MT5600 branded as Sakarya is a series of 11 diesel railcars operated by the Turkish State Railways. They were produced by Tüvasaş.