# SECR O1 class

> class of 122 two-cylinder 0-6-0 locomotives

**Wikidata**: [Q7389854](https://www.wikidata.org/wiki/Q7389854)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/SER_O_class)  
**Source**: https://4ort.xyz/entity/secr-o1-class