Belgian State Railways Type 20
The Belgian State Railways Type 20 was a class of steam locomotives, introduced in 1870.
Construction history
The locomotives were built by various manufacturers from 1870–1874. One additional locomotive was delivered by Cockerill in 1880.The machines were designed by Belpaire and Stevart and had a Belpaire–Stévart valve gear.
| Manufacturer | Quantity | Years | Note |
| Malines | 1 | 1870 | EB No 50, Prototype |
| Cockerill | 34 | 1871–1875 | |
| Cockerill | 1 | 1880 | |
| Couillet | 5 | 1874 | |
| Tubize | 14 | 1873–1874 |