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Gotthard Railway Ec 3/4
originally C I, meanwhile B 3
Switzerland | 1882 | 12 produced
No. 185, former No. 85 from the first series from Esslingen
No. 185, former No. 85 from the first series from Esslingen
archive Arthur Meyer
Schematic drawing of Nos. 89 to 92 from the SLM
Schematic drawing of Nos. 89 to 92 from the SLM
SLM

When the 2-6-0 wheel arrangement was not yet widespread in Europe, the Gotthard Railway had eight tank locomotives with this wheel arrangement built in Esslingen. They were to be used to pull passenger and express trains on the mountain route and also to pull freight trains in the lowlands. Four more followed in 1883 from the SLM. These differed from the first eight by the coal bunker, which was behind the cab. Upon the nationalization in 1909, all came to the SBB. They were retired between 1914 and 1933.

Variant81-8889-92
General
Built18821883
ManufacturerEsslingenSLM
Axle config2-6-0T (Mogul) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length33 ft 10 7/8 in
Wheelbase19 ft 8 1/4 in
Fixed wheelbase11 ft 1 7/8 in
Empty weight101,853 lbs105,822 lbs
Service weight133,380 lbs138,009 lbs
Adhesive weight106,263 lbs110,231 lbs
Axle load33,290 lbs34,613 lbs
Water capacity1,849 us gal1,955 us gal
Fuel capacity5,512 lbs (coal)
Power
Power sourcesteam
Indicated power493 hp (368 kW)
Optimal speed21 mph
Top speed40 mph
Starting effort14,934 lbf
Power Plant
Driver diameter52.4 in
Boiler pressure174 psi
Expansion typesimple
Cylinderstwo, 14 15/16 x 23 5/8 in
Boiler
Grate area19.4 sq ft
Firebox area93.6 sq ft
Tube heating area1,459.6 sq ft
Evaporative heating area1,553.2 sq ft
Total heating area1,553.2 sq ft
Calculated Values
steam locomotive
passenger
freight
tank locomotive
last changed: 06/2023
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