East African Railways 31 class Type and origin Power type Steam Builder Vulcan Foundry Serial number 6228–6273 Build date 1955 Total produced 46
Specifications Configuration: • Whyte 2-8-4 • UIC 1′D2' h2 Gauge 1,000 mm 3 ft 3+ 3 ⁄8 in )Driver dia.48 in (1,219 mm) Adhesive weight 45 long tons (46 t) Loco weight 70.2 long tons (71.3 t) Fuel type Oil Fuel capacity 1,667 imp gal (7,580 L; 2,002 US gal) Water cap. 4,108 imp gal (18,680 L; 4,934 US gal) Firebox: • Grate area 30 sq ft (2.79 m2 ) Boiler pressure 200 psi (1.38 MPa) Heating surface: • Firebox 124 sq ft (11.5 m2 ) • Tubes 1,511 sq ft (140.4 m2 ) • Total surface 1,963 sq ft (182.4 m2 ) Superheater: • Type Inside • Heating area 328 sq ft (30.5 m2 ) Cylinders 2 Cylinder size 17 in × 26 in (432 mm × 660 mm) Valve gear Walschaerts Loco brake Westinghouse type Train brakes Westinghouse type
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The EAR 31 class was a class of oil-burning 1,000 mm 3 ft 3+ 3 ⁄8 in ) gauge 2-8-4 steam locomotives . The 46 members of the class were built in 1955 by Vulcan Foundry , in Newton-le-Willows , Lancashire (now part of Merseyside ), England, for the East African Railways (EAR). They were a lighter, branch-line version of the EAR 30 class, and worked from various sheds throughout the EAR system.
The numbers and names of each member of the class were as follows:
3101 at its naming ceremony
Durrant, A E; Lewis, C P; Jorgensen, A A (1981). Steam in Africa . London: Hamlyn . ISBN 978-0-600-34946-4 OCLC 9014344 . OL 15088099M . Wikidata Q111363476 . Patience, Kevin (1976), Steam in East Africa: a pictorial history of the railways in East Africa, 1893-1976 , Nairobi: Heinemann Educational Books (E.A.) Ltd, OCLC 3781370 , Wikidata Q111363477 Ramaer, Roel (1974). Steam Locomotives of the East African Railways . David & Charles Locomotive Studies. Newton Abbot, North Pomfret: David & Charles . ISBN 978-0-7153-6437-6 OCLC 832692810 . OL 5110018M . Wikidata Q111363478 . Ramaer, Roel (2009). Gari la Moshi: Steam Locomotives of the East African Railways . Malmö: Stenvalls. ISBN 978-91-7266-172-1 OCLC 502034710 . Wikidata Q111363479 . Staff writer (October 1955). " . East African Railways and Harbours Magazine . 2 (5). East African Railways and Harbours : 164. Retrieved 8 December 2014 .
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