The reference for locomotives and railcars


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Northern Pacific class S-10
United States | 1905 | 20 produced
No. 328 that's still existing today in September 1946 in Wyoming, Minnesota
No. 328 that's still existing today in September 1946 in Wyoming, Minnesota
Edwin P. Alexander, „American Locomotives 1900 to 1950”
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length58 ft 6 in
Wheelbase29 ft 1 in
Fixed wheelbase12 ft
Total wheelbase49 ft 10 1/2 in
Service weight153,000 lbs
Adhesive weight115,000 lbs
Total weight257,000 lbs
Axle load38,333 lbs
Water capacity5,000 us gal
Fuel capacity16,000 lbs (coal)
Power sourcesteam
Estimated power950 hp (708 kW)
Optimal speed23 mph
Starting effort26,594 lbf
Power Plant
Driver diameter57 in
Boiler pressure190 psi
Expansion typesimple
Cylinderstwo, 19 x 26 in
Grate area38.5 sq ft
Firebox area145 sq ft
Tube heating area2,010 sq ft
Evaporative heating area2,155 sq ft
Total heating area2,155 sq ft
Calculated Values
steam locomotive
secondary line
last changed: 09 2023

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