Series O
Series O or series Ö stands for the following vehicle series:
- Russian class О , steam locomotive series of the Sovetskije zheleznye dorogi
- O-railcar of the tram Frankfurt am Main, see vehicles of the tram Frankfurt am Main #O
- Series SJ Ö , Swedish electric locomotives, see SJ Ö
See also:
- Shinkansen Series 0 (Series Zero )
