FS Class 741 II

FS Class 741 (2nd)
FS Class 741.120 in 2009 at Firenze Santa Maria Novella
Type and origin
Power typeSteam
Total produced81
RebuilderVerona Porta Vescovo workshop
Rebuild date1954-1960
Specifications
Configuration:
 • Whyte2-8-0
 • UIC1′D h2
Gauge1,435 mm (4 ft 8+12 in) standard gauge
Leading dia.860 mm (2 ft 9+78 in)
Driver dia.1,370 mm (4 ft 5+78 in)
Length11,040 mm (36 ft 2+58 in)
Axle load14.8 tonnes (14.6 long tons; 16.3 short tons)
Loco weight68.3 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 typeThree-axle or bogie
Fuel typeCoal
Fuel capacity6,000 kg (13,000 lb)
Water cap.Bogie tender: 22,000 litres (4,800 imp gal; 5,800 US gal)
Firebox:
 • Grate area2.8 m2 (30 sq ft)
Boiler pressure12 kg/cm2 (1.18 MPa; 171 psi)
Heating surface112.6 m2 (1,212 sq ft)
Superheater:
 • Heating area44 m2 (470 sq ft)
CylindersTwo, outside
Cylinder size540 mm × 700 mm (21+14 in × 27+916 in)
Valve gearWalschaerts
Performance figures
Maximum speed65 km/h (40 mph)
Power output1,100 CV (809 kW; 1,080 hp)
Tractive effort14,700 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.