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Baldwin Class 10-12-D
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Baldwin Class 10-12-D
The Baldwin Class 10-12-D is a class of narrow gauge 4-6-0PT steam locomotives built by the Baldwin Locomotive Works (USA) for the British War Department Light Railways for service in France during World War I. They were built in 1916–1917 to 600 mm (1 ft 11+5⁄8 in) gauge.
The Belgians had designed 600 mm gauge 4-6-2T locomotives as early as in 1900–1901 for Chemins de fer du Calvados. The prototype was Tubize factory type 73. Weidknecht used these drawings and built similar 11-ton locomotives with subcontracted boilers, presumably built by S.A.Energie, Marcinelle.[citation needed]
The French military circles became interested in this 4-6-2T locomotive type for their Decauville Light Military Railways in Morocco. An enlarged 14-ton type was designed and an order was placed for Weidknecht to produce these locomotives for the 600 mm gauge lines in Morocco.
Weidknecht delivered 10 more in 1913 for Chemins de fer Militaires du Maroc numbered (W1-W5 and 1-5).[citation needed]
When the Great War broke out in August 1914 the French lost most of their locomotive building capacity in Northern France to the German-occupied area. Therefore, the French Army demanded fast replacement of the locomotive building capacity for their useful 2′C n2t type which had proved to be a reliable locomotive type for the lightly laid military railways.
Three steam locomotive type drawings were sent to Baldwin Works (finance guaranteed by the French Government) for production of C n2t, 2′C n2t, and light Mallet B′B n4v for 600 mm (1 ft 11+5⁄8 in) gauge lines. With the usual American liberty, Baldwin Drawing Office produced their "version Americaine" of these locomotive types. The first C n2t (based to Decauville design) came out in November 1914 and the first batch of 2′C n2t in January 1915. Only two more batches were built for the French.
The British War Office decided to adopt the type as its principal military steam locomotive, and Baldwin started production in 1916, building 495 locomotives between October 1916 and April 1917. All were delivered except for nine which were lost at sea.
Some of the class found during war their way to other theatres of war than Europe. Baldwin 45163–45222 from batch No 1001–1104 were renumbered by the British War Office to War Department Light Railways, Middle East No 581–640 and were shipped to Egypt to be used in Sinai and Palestine during the British 1917 offensive against the Turks. After the war most of them remained in Middle East.
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Baldwin Class 10-12-D
The Baldwin Class 10-12-D is a class of narrow gauge 4-6-0PT steam locomotives built by the Baldwin Locomotive Works (USA) for the British War Department Light Railways for service in France during World War I. They were built in 1916–1917 to 600 mm (1 ft 11+5⁄8 in) gauge.
The Belgians had designed 600 mm gauge 4-6-2T locomotives as early as in 1900–1901 for Chemins de fer du Calvados. The prototype was Tubize factory type 73. Weidknecht used these drawings and built similar 11-ton locomotives with subcontracted boilers, presumably built by S.A.Energie, Marcinelle.[citation needed]
The French military circles became interested in this 4-6-2T locomotive type for their Decauville Light Military Railways in Morocco. An enlarged 14-ton type was designed and an order was placed for Weidknecht to produce these locomotives for the 600 mm gauge lines in Morocco.
Weidknecht delivered 10 more in 1913 for Chemins de fer Militaires du Maroc numbered (W1-W5 and 1-5).[citation needed]
When the Great War broke out in August 1914 the French lost most of their locomotive building capacity in Northern France to the German-occupied area. Therefore, the French Army demanded fast replacement of the locomotive building capacity for their useful 2′C n2t type which had proved to be a reliable locomotive type for the lightly laid military railways.
Three steam locomotive type drawings were sent to Baldwin Works (finance guaranteed by the French Government) for production of C n2t, 2′C n2t, and light Mallet B′B n4v for 600 mm (1 ft 11+5⁄8 in) gauge lines. With the usual American liberty, Baldwin Drawing Office produced their "version Americaine" of these locomotive types. The first C n2t (based to Decauville design) came out in November 1914 and the first batch of 2′C n2t in January 1915. Only two more batches were built for the French.
The British War Office decided to adopt the type as its principal military steam locomotive, and Baldwin started production in 1916, building 495 locomotives between October 1916 and April 1917. All were delivered except for nine which were lost at sea.
Some of the class found during war their way to other theatres of war than Europe. Baldwin 45163–45222 from batch No 1001–1104 were renumbered by the British War Office to War Department Light Railways, Middle East No 581–640 and were shipped to Egypt to be used in Sinai and Palestine during the British 1917 offensive against the Turks. After the war most of them remained in Middle East.
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