FS Class 735

The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 735 (Italian: Gruppo 35) is a 2-8-0 'Consolidation' steam locomotive.

FS Class 735
Type and origin
Power typeSteam
Builder
Build date1917–1922
Total produced400
Specifications
Configuration:
  UIC1′D h2
Gauge1,435 mm (4 ft 8+12 in) standard gauge
Leading dia.840 mm (33.07 in)
Driver dia.1,370 mm (53.94 in)
Length10,595 mm (34 ft 9+18 in)
Axle load14.8 tonnes (14.6 long tons; 16.3 short tons)
Loco weight63.1 tonnes (62.1 long tons; 69.6 short tons)
Tender weight50.2 tonnes (49.4 long tons; 55.3 short tons)
Fuel typeCoal
Fuel capacity6,000 kg (13,000 lb)
Water cap.22,300 litres (4,900 imp gal; 5,900 US gal)
Firebox:
  Grate area3.17 m2 (34.1 sq ft)
Boiler pressure12 kg/cm2 (1.18 MPa; 171 psi)
Heating surface162.07 m2 (1,744.5 sq ft)
Superheater:
  Heating area42.68 m2 (459.4 sq ft)
Cylinders540 mm × 700 mm (21.26 in × 27.56 in), two
Valve gearWalschaerts
Performance figures
Maximum speed65 km/h (40 mph)
Power output1,080 CV (794 kW; 1,070 hp)
Tractive effort14,700 kgf (144 kN; 32,400 lbf)
Career
Number in class393
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