The reference for locomotives and railcars
Vipp-Zermatt Railway HG 2/3
Switzerland | 1890
No. 6 “Weisshorn” in the SLM data sheet
No. 6 “Weisshorn” in the SLM data sheet
SBB Historic
Variant1890 variant1906 variant
Axle config0-4-2RT 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length25 ft 4 1/8 in
Wheelbase14 ft 1 5/16 in
Fixed wheelbase6 ft 5 3/16 in
Empty weight51,809 lbs54,234 lbs
Service weight63,934 lbs67,682 lbs
Adhesive weight45,415 lbs49,163 lbs
Axle load22,708 lbs24,582 lbs
Water capacity660 us gal
Fuel capacity2,866 lbs (coal)
Power sourcesteam
Estimated power335 hp (250 kW)
Optimal speed9 mph
Top speed16 mph19 mph
Power Plant
Driver diameter35.4 in
Boiler pressure174 psi
Expansion typesimple
Cylindersfour, adhesion: 12 5/8 x 17 11/16 in
rack: 14 3/16 x 17 11/16 in
Grate area13.6 sq ft
Calculated Values
steam locomotive
narrow gauge
cog railway
tank locomotive
last changed: 10 2023

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