The EAR 31 class was a class of oil-burning 1,000 mm (3 ft 3+38 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.[3][4]

East African Railways 31 class
No. 3110 Bakiga at Nairobi in 1968
No. 3110 Bakiga at Nairobi in 1968
Type and origin
Power typeSteam
BuilderVulcan Foundry
Serial number6228–6273
Build date1955
Total produced46
Specifications
Configuration:
 • Whyte2-8-4
 • UIC1′D2' h2
Gauge1,000 mm (3 ft 3+38 in)
Driver dia.48 in (1,219 mm)
Adhesive weight45 long tons (46 t)
Loco weight70.2 long tons (71.3 t)
Fuel typeOil
Fuel capacity1,667 imp gal (7,580 L; 2,002 US gal)
Water cap.4,108 imp gal (18,680 L; 4,934 US gal)
Firebox:
 • Grate area30 sq ft (2.79 m2)
Boiler pressure200 psi (1.38 MPa)
Heating surface:
 • Firebox124 sq ft (11.5 m2)
 • Tubes1,511 sq ft (140.4 m2)
 • Total surface1,963 sq ft (182.4 m2)
Superheater:
 • TypeInside
 • Heating area328 sq ft (30.5 m2)
Cylinders2
Cylinder size17 in × 26 in (432 mm × 660 mm)
Valve gearWalschaerts
Loco brakeWestinghouse type
Train brakesWestinghouse type
Performance figures
Tractive effort26,600 lbf (118.32 kN)
Career
OperatorsEast African Railways (EAR)
Class31 class
Number in class46
Numbers3101–3046
Delivered1955
First run1955
[1][2]

Class list

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The numbers and names of each member of the class were as follows:[5]

Builder's
number
EAR
number
Name Notes
6228 3101 Baganda
6229 3102 Batoro
6230 3103 Acholi Later renamed Uganda
6231 3104 Alur
6232 3105 Bagisu
6233 3106 Bagwe
6234 3107 Bagwere
6235 3108 Bahehe
6236 3109 Bahororo
6237 3110 Bakiga
6238 3111 Bakoki
6239 3112 Bakonjo
6240 3113 Bamba
6241 3114 Banyala
6242 3115 Banyankore
6243 3016 Banyaruanda
6244 3117 Banyoro
6245 3118 Banyuli
6246 3119 Basamia
6247 3120 Basese
6248 3121 Basoga
6249 3122 Batwa
6250 3123 Bavuma Preserved at Nairobi Railway Museum as a static exhibit
6251 3124 Chope
6252 3125 Dodoth
6253 3126 Jie
6254 3127 Jonam
6255 3128 Jopadhola
6256 3129 Kakwa
6257 3130 Karamojong
6258 3131 Kenyi
6259 3132 Kumam
6260 3133 Lang'o
6261 3134 Lugbara
6262 3135 Madi
6263 3036 Sebei
6264 3137 Iteso
6265 3138 Upe
6266 3139 Pokomo
6267 3140 Rendille
6268 3141 Ribe
6269 3142 Sanye
6270 3143 Somal
6271 3144 Tharaka
6272 3145 Tsoto
6273 3146 Wamia
 
3101 at its naming ceremony

See also

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References

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Notes

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  1. ^ Ramaer 1974, pp. 80–83, 87.
  2. ^ "East African Railways Metre Gauge 1955 2-8-0 (31 Class) brochure" (PDF). Vulcan Foundry. Archived from the original (PDF) on 24 September 2015. Retrieved 28 November 2014.
  3. ^ Ramaer 1974, pp. 80–82.
  4. ^ Durrant, Lewis & Jorgensen 1981, p. 83.
  5. ^ Ramaer 1974, p. 83, 89.

Bibliography

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