FS locomotive 670.043, here with the earlier classification of FS 6943
Type and origin
Power type
Steam
Builder
RA Florence Works (1)
Ernesto Breda (30),
Borsig-Werke (12)
Build date
1900–1906
Total produced
43
Specifications
Configuration:
• UIC
2′C n4v
Gauge
1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.
1,125 mm (44.29 in)
Driver dia.
1,920 mm (75.59 in)
Length
13,687 mm (44 ft 10+7⁄8 in)
Axle load
14.4 tonnes (14.2 long tons; 15.9 short tons)
Loco weight
69.9 tonnes (68.8 long tons; 77.1 short tons)
Tender weight
37.2 tonnes (36.6 long tons; 41.0 short tons)
Fuel type
Coal
Fuel capacity
4,000 kg (8,800 lb)
Water cap.
2,000 litres (440 imp gal; 530 US gal)
Firebox:
• Grate area
3 m2 (32 sq ft)
Boiler pressure
12 kg/cm2 (1,180 kPa; 171 psi)
Heating surface
150.8 m2 (1,623 sq ft)
Cylinders
Four
Valve gear
Walschaerts
Performance figures
Maximum speed
110 km/h (68 mph)
Power output
870 CV (640 kW; 858 hp)
Tractive effort
8,000 kgf (78.5 kN; 17,600 lbf)
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