FS Class 690 II

Specifications
Specifications
Configuration:;
• UIC	2′C1′ h4
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.	1,090 mm (42.91 in)
Driver dia.	2,030 mm (79.92 in)
Trailing dia.	1,360 mm (53.54 in)
Length	13,430 mm (44 ft 3⁄4 in)
Axle load	17.1 tonnes (16.8 long tons; 18.8 short tons)
Loco weight	87.2 tonnes (85.8 long tons; 96.1 short tons)
Tender weight	49.6 tonnes (48.8 long tons; 54.7 short tons) total weight 136.8 tonnes
Fuel type	Coal
Fuel capacity	6,000 kg (13,000 lb)
Water cap.	22,000 litres (4,800 imp gal; 5,800 US gal)
Firebox:
• Grate area	3.5 m2 (38 sq ft)
Boiler pressure	12 kg/cm2 (1,180 kPa; 171 psi)
Heating surface	210 m2 (2,300 sq ft)
Superheater:;
• Heating area	67 m2 (720 sq ft)
Cylinders	Four, simple
Cylinder size	450 mm × 680 mm (17.72 in × 26.77 in)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Builder	Ernesto Breda (20),; Officine Meccaniche (3),; Gio. Ansaldo & C. (10);
Build date	1911–1914
Total produced	33

FS Class 690
FS Class 690
	FS locomotive 69001 (later 690.001)
Power type
Type and origin
Power type	Steam
Builder	Ernesto Breda (20),; Officine Meccaniche (3),; Gio. Ansaldo & C. (10);
Build date	1911–1914
Total produced	33
Configuration:;
Specifications
Configuration:;
• UIC	2′C1′ h4
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.	1,090 mm (42.91 in)
Driver dia.	2,030 mm (79.92 in)
Trailing dia.	1,360 mm (53.54 in)
Length	13,430 mm (44 ft 3⁄4 in)
Axle load	17.1 tonnes (16.8 long tons; 18.8 short tons)
Loco weight	87.2 tonnes (85.8 long tons; 96.1 short tons)
Tender weight	49.6 tonnes (48.8 long tons; 54.7 short tons) total weight 136.8 tonnes
Fuel type	Coal
Fuel capacity	6,000 kg (13,000 lb)
Water cap.	22,000 litres (4,800 imp gal; 5,800 US gal)
Firebox:
• Grate area	3.5 m2 (38 sq ft)
Boiler pressure	12 kg/cm2 (1,180 kPa; 171 psi)
Heating surface	210 m2 (2,300 sq ft)
Superheater:;
• Heating area	67 m2 (720 sq ft)
Cylinders	Four, simple
Cylinder size	450 mm × 680 mm (17.72 in × 26.77 in)
Valve gear	Walschaerts
Maximum speed
Performance figures
Maximum speed	130 km/h (81 mph)
Power output	1,400 CV (1,030 kW; 1,380 hp)
Tractive effort	12,400 kgf (122 kN; 27,300 lbf)

The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 690 (Italian: Gruppo 690) was a 4-6-2 'Pacific' steam locomotive for express trains.

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