kkStB Class 30

The kkStB Class 90 were a class of 2-6-2T locomotives designed by Karl Gölsdorf for use of the Vienna Stadtbahn of the Imperial Royal Austrian State Railways (kaiserlich-königliche österreichische Staatsbahnen). They were built by Lokomotivfabrik Floridsdorf, Wiener Neustädter Lokomotivfabrik and Lokomotivfabrik der StEG between 1895 and 1901. After 1921 they were later operated by Bundesbahnen Österreich (BBÖ) and following the annexation of Austria in 1938, they were incorporated within Deutsche Reichsbahn Class 90.10. After the restoration of Austria they became Österreichische Bundesbahnen (ÖBB) class 90.

kkStB 30
BBÖ 30 / GKB 30
DRB 90.10 / ÖBB 90
Preserved kkStB No. 30.33 in Vienna
Type and origin
Power typeSteam
Builder
Build date1895–1901
Total produced113
Specifications
Configuration:
  Whyte2-6-2T
  UIC1′C1′ n2vt
Gauge1,435 mm (4 ft 8 12 in)
Leading dia.870 mm (2 ft 10 14 in)
Driver dia.1,298 mm (4 ft 3 in)
Trailing dia.870 mm (2 ft 10 14 in)
Wheelbase7,700 mm (25 ft 3 14 in)
Length11,334 mm (37 ft 2 14 in)
Height4,570 mm (15 ft 0 in)
Adhesive weight43.5 tonnes (42.8 long tons; 48.0 short tons)
Loco weight69.5 tonnes (68.4 long tons; 76.6 short tons)
Fuel typeCoal
Fuel capacity2.4 m3 (85 cu ft)
Water cap8,500 litres (1,900 imp gal; 2,200 US gal)
Firebox:
  Firegrate area
2.3 m2 (25 sq ft)
Boiler:
  Tube plates4,164 mm (13 ft 7 78 in)
Boiler pressure13 kg/cm2 (1.27 MPa; 185 psi)
Heating surface130.60 m2 (1,405.8 sq ft)
  Tubes120.10 m2 (1,292.7 sq ft)
  Firebox10.50 m2 (113.0 sq ft)
CylindersTwo, outside, HP right, LP left
High-pressure cylinder520 mm × 632 mm (20 12 in × 24 78 in)
Low-pressure cylinder740 mm × 632 mm (29 18 in × 24 78 in)
Performance figures
Maximum speed60 km/h (37 mph)
Career
Operators
Class
  • kkStB/BBÖ/GKB: 30
  • DRB: 90.10
  • ÖBB: 90
Numbers
  • kkStB/BBÖ: 30.01–30.99, 30.101–30.114
  • GKB: 30.xx
  • DRB: 901001 – 901032
  • ÖBB 90.01 – 90.33 (with gaps)
Retiredto 1957

Preservation

There are three examples preserved: 30.33 and 33.109 at the Heizhaus, Strasshof, and 30.114.

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