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Franz Krull Sk class

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Franz Krull Sk class
Sk-154
Type and origin
Power typeSteam
DesignerA. Borsig works, Berlin, Germany
BuilderAS Franz Krull, Tallinn, Estonia
Build date1931-1940
Total produced16
Specifications
Configuration:
 • Whyte2-8-0
 • UIC1′D h2
Gauge750 mm (2 ft 5+12 in) narrow gauge
Driver dia.900 mm (2 ft 11+38 in)
Fuel typeOil shale
Fuel capacity8 tons
Water cap.6 tons
Boiler pressure13 atm (1.32 MPa; 191 psi)
CylindersTwo
Cylinder size380 mm × 450 mm (14+1516 in × 17+1116 in)
Career
OperatorsEstonian Railways
DispositionAll scrapped, none preserved

The Franz Krull Sk-class is a class of steam locomotive built by the Franz Krull metal works of Tallinn, Estonia between 1931-1940.[1]

The Sk were narrow-gauged and used oil shale as fuel, since it is the primary energy source in Estonia. A total of 16 units were produced, of which none has survived.[1] The last Sk, Sk-156, was scrapped in 1980 in Beloretsk, Russia, where it was actively used until scrapping.

List of Sk locomotives

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Sk-155 after the railway accident between stations Võhma and Olustvere.

Built in 1931:

  • Sk-151
  • Sk-152
  • Sk-153
  • Sk-154
  • Sk-155
  • Sk-156
  • Sk-157
  • Sk-158
  • Sk-159
  • Sk-150

Built in 1935:

  • Sk-160
  • Sk-161
  • Sk-162

Built in 1940:

(During the first Soviet occupation of Estonia, when the factory was renamed "Punane Krull" ("Red Krull"). These locomobiles were decorated by the red star and hammer and stickle figures.)

  • Sk-163
  • Sk-164
  • Sk-165

References

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  1. ^ a b "KITSARÖÖPMELINE AURUVEDUR Sk". est-train.ertas.eu. Retrieved 19 January 2022.
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