FS Class 744.003 as preserved at Cagliari railway station
Type and origin
Power type
Steam
Builder
Gio. Ansaldo & C.,
Ernesto Breda,
Officine Meccaniche
Build date
1927-9
Total produced
50
Specifications
Configuration:
• UIC
1'D h2
Gauge
1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.
960 mm (37.80 in)
Driver dia.
1,630 mm (64.17 in)
Length
11,615 mm (38 ft 1+1⁄4 in)
Axle load
14.6 tonnes (14.4 long tons; 16.1 short tons)
Loco weight
70.2 tonnes (69.1 long tons; 77.4 short tons)
Tender weight
50 tonnes (49 long tons; 55 short tons)
Fuel type
Coal
Fuel capacity
6,000 kg (13,000 lb)
Water cap.
22,000 litres (4,800 imp gal; 5,800 US gal)
Firebox:
• Grate area
3.5 m2 (38 sq ft)
Boiler pressure
12 kg/cm2 (1,180 kPa; 171 psi)
Heating surface
191.7 m2 (2,063 sq ft)
Superheater:
• Heating area
50.5 m2 (544 sq ft)
Cylinders
Two, simple
Cylinder size
600 mm × 720 mm (23.62 in × 28.35 in)
Valve gear
Walschaerts, Caprotti
Performance figures
Maximum speed
80 km/h (50 mph)
Power output
1,400 CV (1,030 kW; 1,380 hp)
Tractive effort
14,800 kgf (145 kN; 32,600 lbf)
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