The TR MK class , later known as the EAR 25 class , was a class of 1,000 mm 3 ft 3+ 3 ⁄8 in ) gauge 2-8-2 steam locomotives . The eleven members of the class were built by Vulcan Foundry , in Newton-le-Willows , Lancashire (now part of Merseyside ), England, for the Tanganyika Railway (TR). They entered service on the TR in 1925–1926, and were later operated by the TR's successor, the East African Railways (EAR).
Tanganyika Railway MK class East African Railways 25 class No. 2507 at
Tabora depot, Tanzania, in 1968
Type and origin Power type Steam Builder Vulcan Foundry Serial number 3892–3896 (1925) 3942–3947 (1926) Build date 1925–1926 Total produced 11
Specifications Configuration: • Whyte 2-8-2 • UIC 1′D1' h2 Gauge 1,000 mm 3 ft 3+ 3 ⁄8 in )Driver dia.43 in (1,092 mm) Adhesive weight 40.1 long tons (40.7 t) Loco weight 57.7 long tons (58.6 t) Fuel type Oil Fuel capacity 1,300 imp gal (5,900 L; 1,600 US gal) Water cap. 3,500 imp gal (16,000 L; 4,200 US gal) Firebox: • Grate area 27 sq ft (2.51 m2 ) Boiler pressure 160 psi (1.10 MPa) (165 psi (1.14 MPa)) Heating surface: • Firebox 139 sq ft (12.9 m2 ) • Tubes 2 ) • Total surface 1,742 sq ft (161.8 m2 ) Superheater: • Heating area 297 sq ft (27.6 m2 ) Cylinders 2 Cylinder size 18 in × 23 in (457 mm × 584 mm)
Career Operators Class TR: MK class EAR: 25 class Number in class 11 Numbers TR: 206–216/400–410 EAR: 2501–2511 Delivered 1925–1926
The builder's number, build year and fleet numbers of each member of the class were as follows:
Builder's
Built
1st TR
2nd TR
EAR
Notes
3892
1925
206
400
2501
3893
1925
207
401
2502
3894
1925
208
402
2503
3895
1925
209
403
2504
3896
1925
210
404
2505
3942
1926
211
405
2506
3943
1926
212
406
2507
3944
1926
213
407
2508
3945
1926
214
408
2509
3946
1926
215
409
2510
3947
1926
216
410
2511
Vulcan Foundry works photo of TR 206
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 .
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Media related to TR MK class at Wikimedia Commons
