The Belgian State Railways Type 25 was a class of steam locomotives for freight service, introduced in 1884.

Construction history The locomotives were built by various manufacturers from 1884 to 1898. The machines had an outside frame with the cylinders and the Walschaert valve gear located inside the frame.

The locomotives used two-axle tenders with .

+ Known production quantities Manufacturer Quantity Type / Years Cockerill 81 Tubize 58 49 1884–1898 Couillet 60 1885 Franco-Belge 66 1885 48 1884–1898 La Meuse 35 1888–1898 Carels Frères 57 8 1897–1898 Zimmermann-Hanrez 11 1885–1897

+ Known production batches Manufacturer Series Numbers Quantity 4 N (1884–85) 706 – 712 7 Saint-Léonard 4 N2 (1889) 802 – 805 4 Saint-Léonard 4 N3 (1890) 843 – 847 5 Saint-Léonard 4 N4 (1891) 867 – 871 5 Saint-Léonard 4 N5 (1891) 888 – 891 4 Saint-Léonard 4 N6 (1895) 987 – 988 2 Saint-Léonard 4 N7 (1896) 1036 – 1042 7 Saint-Léonard 4 N8 (1897) 1070 – 1072 3 Saint-Léonard 4 N9 (1898) 1090 – 1099 10 Saint-Léonard 4 N10 (1898) 1123 – 1124 2

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