The Belgian State Railways Type 51 was a class of steam locomotives for shunting and local train service, introduced in 1866.
Construction history The locomotives were built by various manufacturers from 1866 to 1905. The machines had an outside frame with the cylinders located inside the frame. During the extended period of time in which these machines were built they underwent various changes, e.g. in the design of the water tanks, shelter, boiler and overall length.
+ Known production quantities Manufacturer Quantity Type / Years Note Cockerill 4 État Belge Tubize 56 1879–1899 État Belge (54), Pehan (2) Tubize 3 1905 exported to China 155 1876–1905 État Belge Saint-Léonard 3 exported to China Couillet 52 1866–1895 État Belge Couillet 4 Ouest de Mons, Franco-Belge 22 1874 État Belge Franco-Belge 2 1874 exported to China Franco-Belge (La Croyère) 8 1906–1908 CF Pienlo (China) Franco-Belge (Raismes) 6 1906–1908 Beijing–Hankou 57 1875–1900 État Belge La Meuse 13 1888–1898 État Belge Carels Frères 11 1866 État Belge Carels Frères 28 État Belge (Marcinelle) 19 État Belge 29 1902–1915 État Belge Zimmermann-Hanrez 3 1885, 1895 État Belge 3 1905 État Belge 10 État Belge Lambert (Marcinelle) 8 1889–1890 État Belge
+ Known production batches Manufacturer Series Numbers Quantity N O (1876) 458 – 460 3 Saint-Léonard 2 N O (1879) 492 – 495 4 Saint-Léonard 3 N O (1879) 501 – 505 5 Saint-Léonard 4 N O (1881) 528 – 534 7 Saint-Léonard 5 N O (1881) 567 – 572 6 Saint-Léonard 6 N O (1884) 669 – 677 9 Saint-Léonard 7 N O (1884) 685 – 689 5 Saint-Léonard 8 N O (1889) 813 – 817 5 Saint-Léonard 8 N O 2 (1889) 830 – 831 2 Saint-Léonard 9 N O (1895) 967 – 972 6 Saint-Léonard 9 N O 2 (1895) 984 – 985 2 Saint-Léonard 9 N O 3 (1897) 1073 – 1077 5 Saint-Léonard 9 N O 4 (1898) 1143 – 1146 4 Saint-Léonard 9 N O 5 (1898) 1154 – 1155 2 Saint-Léonard 9 N O 6 (1900) 1235 – 1239 5 Saint-Léonard 9 N O 7 (1900) 1245 – 1250 6 Saint-Léonard 9 N O 8 (1901) 1252 – 1261 10
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