| TÜDEMSAŞ | |
| Type: | Public |
| Successor: | TÜRASAŞ |
| Foundation: | 1939 (as Sivas Cer Atelyesi) |
| Location City: | Sivas |
| Location Country: | Turkey |
| Area Served: | Turkey |
| Key People: | Halil Torun (Chairman) |
| Industry: | Rail transport |
| Services: | Rail cars |
| Assets: | 80,000,000 YTL (2009)[1] |
| Num Employees: | 1,500 (2009) |
| Homepage: | TÜDEMSAŞ |
Türkiye Demiryolu Makinaları Sanayi A.Ş. or TÜDEMSAŞ is a rail car builder headquartered in Sivas, Turkey.[2] The company is a government owned corporation that was founded in 1939. TÜDEMSAŞ is the main supplier of freight cars for the Turkish State Railways. The Y32 bogi was designed by TÜDEMSAŞ.