The last big Swiss steam locomotive. c 5/6 N0 2956 Elephant. Built by Schweizerische Locomotiv & Maschinenfabrik (SLM) at Winterthur in 1916. Steam was superheated (see superheater in steam shell) to 350 deg C at 15 bar and utilised twice,first in the twin high pressure cylinders then in the low pressure cylinders. Power 1070kW. Weight 128.4 tonnes. Speed 65 km/h. In service from 1916 to 1964.