The reference for locomotives and railcars


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South Australian class Y
Australia | 1885 | 129 produced
Y98 in September 1961 at Peterborough
Y98 in September 1961 at Peterborough
collection Graham Ahern
Variantas builtrebuilt Yx
ManufacturerBeyer, Peacock & Co., Islington Railway Workshops, James Martin & Co
Axle config2-6-0 (Mogul) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length39 ft 3 in
Wheelbase13 ft 4 in
Fixed wheelbase7 ft 6 in
Total wheelbase36 ft 2 in
Service weight58,240 lbs63,168 lbs
Adhesive weight50,064 lbs52,304 lbs
Total weight107,000 lbs111,888 lbs
Axle load16,688 lbs17,920 lbs
Water capacity1,922 us gal
Fuel capacity10,080 lbs (coal)
Power sourcesteam
Estimated power250 hp (186 kW)350 hp (261 kW)
Optimal speed12 mph13 mph
Starting effort13,747 lbf16,955 lbf
Power Plant
Driver diameter39 in
Boiler pressure150 psi185 psi
Expansion typesimple
Cylinderstwo, 14 1/2 x 20 in
Grate area13.7 sq ft13.3 sq ft
Firebox area69.5 sq ft76.2 sq ft
Tube heating area709.5 sq ft729.8 sq ft
Evaporative heating area779 sq ft806 sq ft
Total heating area779 sq ft806 sq ft
Calculated Values
steam locomotive
narrow gauge
last changed: 06 2024

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