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Norwegian State Railways types 19a and 28a, b
Norway | 1902 | 11 produced
28a No. 151 in the SLM type sheet
28a No. 151 in the SLM type sheet
SBB Historic
Variant19a28a, rebuilt 28b
General
Built1902, 1909-19101911, 1939-1945
ManufacturerSLM, Hamar JernstøberiHamar Jernstøberi
Axle config2-8-0 (Consolidation) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length54 ft 9 1/2 in55 ft 6 15/16 in
Wheelbase21 ft 11 3/4 in
Fixed wheelbase9 ft 3 1/4 in
Empty weight140,214 lbs
Service weight157,741 lbs
Adhesive weight136,686 lbs
Total weight233,910 lbs
Axle load34,172 lbs
Water capacity3,963 us gal
Fuel capacity8,818 lbs (coal)13,228 lbs (coal)
Power
Power sourcesteam
Estimated power872 hp (650 kW)1,073 hp (800 kW)
Optimal speed21 mph15 mph
Top speed25 mph28 mph
Starting effort26,530 lbf45,775 lbf
with start valve31,836 lbf
Power Plant
Driver diameter49.2 in
Boiler pressure188 psi
Expansion typecompoundsimple
Cylinderstwo, HP: 21 5/8 x 25 3/16 in
and LP: 32 5/16 x 25 3/16 in
two, 23 5/8 x 25 3/16 in
Boiler
Grate area30.1 sq ft
Firebox area125.9 sq ft
Tube heating area1,786.8 sq ft
Evaporative heating area1,912.7 sq ft1,620 sq ft
Superheater area493 sq ft
Total heating area1,912.7 sq ft2,113 sq ft
Calculated Values
steam locomotive
freight
last changed: 10 2023
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