FS Class 470

Type and origin
Type and origin
Power type	Steam
Builder	Maffei (64),; Officine Meccaniche (52),; Ernesto Breda (10),; Officine Meccaniche e Navali di Napoli (17);
Build date	1907–1911
Total produced	143

FS Class 470
FS Class 470
	FS locomotive 470.092 as preserved
Power type
Type and origin
Power type	Steam
Builder	Maffei (64),; Officine Meccaniche (52),; Ernesto Breda (10),; Officine Meccaniche e Navali di Napoli (17);
Build date	1907–1911
Total produced	143
Configuration:;
Specifications
Configuration:;
• Whyte	0-10-0
• UIC	E n4v
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Driver dia.	1,370 mm (53.94 in)
Length	12,475 mm (40 ft 11.1 in)
Axle load	15.1 tonnes (14.9 long tons; 16.6 short tons)
Loco weight	74.8 tonnes (73.6 long tons; 82.5 short tons)
Tender weight	27.6 tonnes (27.2 long tons; 30.4 short tons)
Fuel type	Coal
Fuel capacity	5,600 kg (12,300 lb)
Water cap.	13,000 litres (2,860 imp gal; 3,430 US gal)
Firebox:
• Grate area	3.5 m2 (38 sq ft)
Boiler pressure	16 kg/cm2 (1.57 MPa; 228 psi)
Heating surface	212.57 m2 (2,288.1 sq ft)
Cylinders	Four (compound)
High-pressure cylinder	375 mm × 650 mm (14.76 in × 25.59 in)
Low-pressure cylinder	610 mm × 650 mm (24.02 in × 25.59 in)
Valve gear	Walschaerts
Maximum speed
Performance figures
Maximum speed	50 km/h (31 mph)
Power output	736 kW (987 hp) at 30 km/h (19 mph)
Tractive effort	14,200 kgf (139 kN; 31,300 lbf)

The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 470 (Italian: Gruppo 470) is a 0-10-0 steam locomotive.

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