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KUR EC1 class

The KUR EC1 class, later known as the EAR 50 class and the EAR 51 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 4-8-2+2-8-4 Garratt-type articulated steam locomotives operated by Kenya-Uganda Railway (KUR) and the East African Railways (EAR).

  • Kenya-Uganda Railway EC1 class
  • East African Railways 50/51 classes
East African Railways publicity photograph of no. 5017, c. 1953
East African Railways publicity photograph of no. 5017, c. 1953
Type and origin
Power typeSteam
BuilderBeyer, Peacock & Co.
Serial number
  • 6429–6440, 6516–6523
  • 6637–6638
Build date1927 (20), 1930 (2)
Total produced22
Specifications
Configuration:
​
 • Whyte4-8-2+2-8-4 (Garratt)
 • UIC(2′D1′)(1′D2′) h4
Gauge1,000 mm (3 ft 3+3⁄8 in)
Driver dia.43 in (1,092 mm)
Adhesive weight83.9 long tons (85.2 t)
Loco weight130.9 long tons (133.0 t)
Fuel typeCoal
Fuel capacity6 long tons (6.1 t)
Water cap.5,250 imp gal (23,900 L; 6,300 US gal)
Firebox:​
 • Grate area43.6 sq ft (4.05 m2)
Boiler pressure170 psi (1.17 MPa)
Heating surface:​
 • Firebox174 sq ft (16.2 m2)
 • Tubes 
1,863 sq ft (173.1 m2)
 • Total surface2,417 sq ft (224.5 m2)
Superheater:
​
 • TypeInside
 • Heating area380 sq ft (35 m2)
Cylinders4 (Garratt)
Cylinder size16+1⁄2 in × 22 in (419 mm × 559 mm)
Valve gearWalschaerts
Loco brakeWestinghouse type
Train brakesWestinghouse type
Performance figures
Tractive effort40,255 lbf (179.06 kN)
Career
Operators
Class
  • KUR: EC1 class
  • EAR: 50/51 classes
Number in class22
Numbers
  • KUR: 45–66
  • EAR: 5001–5018
  •           5101–5102
First run1927
[1]

Service history

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The first twenty members of the class were built in 1927 by Beyer, Peacock & Co. in Manchester, England, for the KUR. They entered service in 1928, and, with two exceptions, were later operated by the KUR's successor, the EAR, as its 50 class.[2]

The remaining two members of the EC1 class were built and entered service in 1930, and were different in some respects. They later became the EAR's 51 class.[2]

All of the former EC1 class members were withdrawn from service in the 1950s. Most of their leading bogies (trucks) were salvaged for use in converting EAR 13 class locomotives from 4-8-2Ts to 4-8-4Ts, to address the 13 class's initial tendency to de-rail when operating in reverse.[3][4]

Class list

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The builder's numbers, build years, fleet numbers and names of each member of the EC1 class were as follows:[5][6]

Builder's
number 		Built KUR
number 		EAR
number 		Name Notes
6429 1928 45 5001
5430 1928 46 5002
6431 1928 47 5003 Toro
6432 1928 48 5004 Masai
6433 1928 49 5005 Nyanzi
6434 1928 50 5006 Meru
6435 1928 51 – Sold to Indo-China as no. 205
6436 1928 52 5007 Masaka
6437 1928 53 – Sold to Indo-China as no. 206
6438 1928 54 5008 Nandi
6439 1928 55 5009 Bunyoro
6440 1928 56 5010
6516 1928 57 5011 Kikuyu
6517 1928 58 5012 Ankole
6518 1928 59 5013
6519 1928 60 5014
6520 1928 61 5015
6521 1928 62 5016 Londiani
6522 1928 63 5017 Ukamba
6523 1928 64 5018 Machakos
6637 1930 65 5101 Laikipia
6638 1930 66 5102
 
Works photo of KUR EC1 no. 66

See also

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References

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Notes

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  1. ^ Ramaer 1974, pp. 48–49, 86.
  2. ^ a b Ramaer 1974, pp. 48–49.
  3. ^ Ramaer 1974, p. 78.
  4. ^ Patience 1996, p. 33.
  5. ^ Ramaer 1974, p. 88.
  6. ^ Durrant 1981, p. 189.

Bibliography

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  • Durrant, A E (1981). Garratt Locomotives of the World (rev. and enl. ed.). Newton Abbot, England: David & Charles. ISBN 0-7153-7641-1. OCLC 9326294.
  • 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
  • Patience, Kevin (1996). Steam Twilight: The last years of steam on Kenya Railways. Bahrain: Kevin Patience. OCLC 37615720.
  • 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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