FS Class 625

Specifications
Specifications
Configuration:;
• UIC	1′C h2
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.	840 mm (33.07 in)
Driver dia.	1,510 mm (59.45 in)
Length	9.66 m (31 ft 8+3⁄8 in)
Axle load	14.4 tonnes (14.2 long tons; 15.9 short tons)
Loco weight	53.9 tonnes (53.0 long tons; 59.4 short tons)
Tender weight	31.9 tonnes (31.4 long tons; 35.2 short tons)
Fuel type	Coal
Fuel capacity	6,000 kg (13,000 lb)
Water cap.	12,000 L (2,600 imp gal; 3,200 US gal)
Firebox:
• Grate area	2.42 m2 (26.0 sq ft)
Boiler pressure	12 kgf/cm2 (1.18 MPa; 171 psi)
Heating surface	108.5 m2 (1,168 sq ft)
Superheater:;
• Heating area	33.5 m2 (361 sq ft)
Cylinders	Two, inside
Cylinder size	490 mm × 700 mm (19.29 in × 27.56 in)
Valve gear	Walschaerts, Caprotti

Type and origin
Type and origin
Power type	Steam
Builder	Gio. Ansaldo & C.,; Costruzioni Meccaniche di Saronno,; Berliner Maschinenbau;
Build date	1914–1923
Total produced	188
Number rebuilt	153

FS Class 625
FS Class 625
	Locomotive 625 017
Power type
Type and origin
Power type	Steam
Builder	Gio. Ansaldo & C.,; Costruzioni Meccaniche di Saronno,; Berliner Maschinenbau;
Build date	1914–1923
Total produced	188
Number rebuilt	153
Configuration:;
Specifications
Configuration:;
• UIC	1′C h2
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.	840 mm (33.07 in)
Driver dia.	1,510 mm (59.45 in)
Length	9.66 m (31 ft 8+3⁄8 in)
Axle load	14.4 tonnes (14.2 long tons; 15.9 short tons)
Loco weight	53.9 tonnes (53.0 long tons; 59.4 short tons)
Tender weight	31.9 tonnes (31.4 long tons; 35.2 short tons)
Fuel type	Coal
Fuel capacity	6,000 kg (13,000 lb)
Water cap.	12,000 L (2,600 imp gal; 3,200 US gal)
Firebox:
• Grate area	2.42 m2 (26.0 sq ft)
Boiler pressure	12 kgf/cm2 (1.18 MPa; 171 psi)
Heating surface	108.5 m2 (1,168 sq ft)
Superheater:;
• Heating area	33.5 m2 (361 sq ft)
Cylinders	Two, inside
Cylinder size	490 mm × 700 mm (19.29 in × 27.56 in)
Valve gear	Walschaerts, Caprotti
Maximum speed
Performance figures
Maximum speed	80 km/h (50 mph)
Power output	800 CV (590 kW; 790 hp)
Tractive effort	10,200 kgf (100 kN; 22,500 lbf)

The Ferrovie dello Stato (FS, Italian State Railways) Class 625 (Italian: Gruppo 625) is a class of 2-6-0 'mogul' steam locomotives in Italy. The class is commonly known by the nickname Signorine (Italian for 'young ladies', also shared with the similar Class 640 locomotives), or Signorina in the singular, because of their perceived grace and beauty compared to other locomotives.

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