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.
+ Production quantities 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
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