FS Class 122

FS Class 122
SB 18.532, a locomotive of the same type as FS 122
Type and origin
Power typeSteam
BuilderFloridsdorf and Sigl
Build date1869–1872
Total produced32 (to FS)
Specifications
Configuration:
 • Whyte2-4-0
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.1.264 m (49.8 in)
Driver dia.1.58 m (62 in)
Length8.27 m (27.1 ft)
Loco weight32.4 tonnes (31.9 long tons; 35.7 short tons)
Fuel typeCoal
Cylinders2 outside
Cylinder size411 mm × 632 mm (16.2 in × 24.9 in)
Valve gearOutside Stephenson
Performance figures
Maximum speed65 km/h (40 mph)
Power output310 kW (420 hp)

FS Class 122 were 2-4-0 steam locomotives with tenders, designed for hauling passenger trains. The Italian State Railways (FS) acquired 32 of them as war reparations after World War I from the Austrian Südbahn (SB).