SBB-CFF-FFS C 5/6

The C 5/6 were a class of steam locomotives in use for the Swiss Federal Railways. 28 of them were built between 1913 and 1917; all had been withdrawn by 1968. Four have been preserved, one of them in working order. The class was designed for use on the steep inclines of the Gotthard route, and was considered extremely efficient, earning the nickname Elephant. Its design was based on the successful C 4/5 locomotive, and the result is the largest steam locomotive operated by the Swiss Federal Railways. Within a few years of introduction, however, they began to be replaced by new electric locomotives.

SBB-CFF-FFS C 5/6
Swiss steam Elephant SBB C 5/6 on the turntable at Winterthur
Type and origin
Power typeSteam
BuilderSLM Winterthur
Build date1913–1917
Total produced28
Specifications
Configuration:
​
 • Whyte2-10-0
 • UIC1′E h4v
Gauge1,435 mm (4 ft 8+1⁄2 in)
Driver dia.1,330 mm (52.4 in)
Length19,195 mm (63 ft 0 in)
Height4,480 mm (14 ft 8 in)
Axle load15.8 t (15.6 long tons; 17.4 short tons)
Adhesive weight79 t (77.8 long tons; 87.1 short tons)
Total weight128 t (126.0 long tons; 141.1 short tons)
Firebox:
 • Firegrate area		4 m2 (43 sq ft)
Boiler pressure15 bar (1,500 kPa; 220 psi)
Performance figures
Maximum speed65 km/h (40 mph)
Power output1,190 kW (1,600 hp)
Career
OperatorsSBB-CFF-FFS
Numbers2951–2978
NicknamesElephant
WithdrawnUp to 1968
Preserved4 (1 in working order)

Preservation

Number 2978, built in 1917, was the last steam locomotive built for Swiss Federal Railways, and is now part of the company's heritage fleet. In 1960, number 2978 was fitted with the boiler of number 2956. Number 2969, built in 1915, was restored & returned to service on 20 October 2017 by Eurovapor in Sulgen[1] https://lapassiondutrain.blogspot.com/2017/10/suisse-remise-en-service-de-la-c-56.html They also have the number 2958 for spare parts (which was earlier in Olten) and will preserve it as an exhibit. Number 2965, not in working order, is an exhibit in the Swiss Transport Museum in Lucerne.

See also

References
  1. "Dampflok C 5/6 2969 (in Aufarbeitung)" (in German). Eurovapor Lokremise Sulgen. Retrieved 23 February 2011.
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