Z
- Zebra (Animal: Zebra)
- GWR Sun class 2-2-2 (1841 - 1871)
- SDR Gorgon class 4-4-0ST (1866 - 1892)
- Zetes (Greek mythology:Zetes)
- GWR Standard Goods 0-6-0 (1855 - 1877)
- Zina
- GWR Standard Goods 0-6-0 (1853 - 1874)
Read more about this topic: List Of Broad Gauge (7 Feet) Railway Locomotive Names