| FS Class 310 |
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| Type and origin |
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| Power type | Steam |
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| Builder | |
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| Build date | 1894–1901 |
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| Total produced | 69 |
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| Specifications |
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Configuration:
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| • UIC | C n2v |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
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| Driver dia. | 1,500 mm (59.06 in) |
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| Length | 8,723 mm (28 ft 7+3⁄8 in) |
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| Axle load | 14.5 tonnes (14.3 long tons; 16.0 short tons) |
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| Loco weight | 43.5 tonnes (42.8 long tons; 48.0 short tons) |
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| Tender weight | 33 tonnes (32 long tons; 36 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 4,000 kg (8,800 lb) |
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| Water cap. | 12,000 litres (2,600 imp gal; 3,200 US gal) |
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| Firebox: | |
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| • Grate area | 1.8 m2 (19 sq ft) |
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| Boiler pressure | 12 kg/cm2 (1.18 MPa; 171 psi) |
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| Heating surface | 143.2 m2 (1,541 sq ft) |
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| Cylinders | Two, compound |
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| High-pressure cylinder | 460 mm × 640 mm (18.11 in × 25.20 in) |
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| Low-pressure cylinder | 650 mm × 640 mm (25.59 in × 25.20 in) |
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| Valve gear | Walschaerts |
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| Performance figures |
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| Maximum speed | 60 km/h (37 mph) |
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| Power output | 500 CV (368 kW; 493 hp) at 30 km/h (19 mph) |
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| Tractive effort | 6,620 kgf (64.9 kN; 14,600 lbf) |
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The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 310 (Italian: Gruppo 310), formerly Rete Mediterranea Class 380, was a 0-6-0 steam locomotive; they were the first Italian as-built compound locomotives.
