Italian steam locomotive
FS Class 741 (2nd) Type and origin Power type Steam Total produced 81 Rebuilder Verona Porta Vescovo workshopRebuild date 1954-1960
Specifications Configuration: • Whyte 2-8-0 • UIC 1′D h2 Gauge 1,435 mm (4 ft 8+ 1 ⁄2 in ) standard gauge Leading dia. 860 mm (2 ft 9+ 7 ⁄8 in)Driver dia. 1,370 mm (4 ft 5+ 7 ⁄8 in)Length 11,040 mm (36 ft 2+ 5 ⁄8 in)Axle load 14.8 tonnes (14.6 long tons; 16.3 short tons) Loco weight 68.3 tonnes (67.2 long tons; 75.3 short tons) Tender weight Six-wheel tender: 31.9 tonnes (31.4 long tons; 35.2 short tons)Bogie tender: 49.6 tonnes (48.8 long tons; 54.7 short tons)Tender type Three-axle or bogie Fuel type Coal Fuel capacity 6,000 kg (13,000 lb) Water cap. Bogie tender: 22,000 litres (4,800 imp gal; 5,800 US gal)Firebox: • Grate area 2.8 m2 (30 sq ft) Boiler pressure 12 kg/cm2 (1.18 MPa; 171 psi) Heating surface 112.6 m2 (1,212 sq ft) Superheater: • Heating area 44 m2 (470 sq ft) Cylinders Two, outside Cylinder size 540 mm × 700 mm (21+ 1 ⁄4 in × 27+ 9 ⁄16 in)Valve gear Walschaerts
Performance figures Maximum speed 65 km/h (40 mph) Power output 1,100 CV (809 kW; 1,080 hp) Tractive effort 14,700 kgf (144 kN; 32,400 lbf)
The Ferrovie dello Stato (FS; Italian State Railways) Class 741 is a class of 2-8-0 'Consolidation' steam locomotives, rebuilds from the FS Class 740 with a Franco-Crosti boiler ; it was the last class of steam locomotives introduced in Italy.