FS Class 480

The Ferrovie dello Stato (FS; Italian State Railways) Class 480 (Italian: Gruppo 480) is a 2-10-0 steam locomotive.

FS Class 480
FS locomotive 480.017 as preserved
Type and origin
Power typeSteam
BuilderOfficine Meccaniche
Build date1923
Total produced18
Specifications
Configuration:
​
 • UIC1′E h2
Gauge1,435 mm (4 ft 8+1⁄2 in)
Leading dia.860 mm (33.86 in)
Driver dia.1,370 mm (53.94 in)
Length12,175 mm (39 ft 11.3 in)
Axle load15 tonnes (15 long tons; 17 short tons)
Loco weight84.3 tonnes (83.0 long tons; 92.9 short tons)
Tender weight49.6 tonnes (48.8 long tons; 54.7 short tons)
Fuel typeCoal
Fuel capacity6,000 kg (13,000 lb)
Water cap.22,000 L (4,800 imp gal; 5,800 US gal)
Firebox:​
 • Grate area4.3 m2 (46 sq ft)
Boiler pressure12 kg/cm2 (1.18 MPa; 171 psi)
Heating surface217.3 m2 (2,339 sq ft)
Superheater:
​
 • Heating area60 m2 (650 sq ft)
CylindersTwo, outside
Cylinder size670 mm × 650 mm (26.38 in × 25.59 in)
Valve gearWalschaerts
Performance figures
Maximum speed60 km/h (37 mph)
Power output1,500 PS (1,100 kW; 1,480 hp)
Tractive effort21,000 kgf (206 kN; 46,300 lbf)
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