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Ohio & Mississippi No. 3 and 4
Baltimore & Ohio Southwestern class H and Baltimore & Ohio class E-25
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| 1890
unknown number
Image of locomotive

In March 1890, Rhode Island delivered two Consolidations to the Ohio and Mississippi Railway. They were numbered 3 and 4 and had drivers of only 51 inches. When this company became part of the Baltimore & Ohio Southwestern in 1893, the locomotives became class H and were numbered 200 and 201. In 1900, they became No. 400 and 401 of the Baltimore & Ohio and were designated class E-25. 401 was retired in 1933 and 400 in 1934.

General
Built1890
ManufacturerRhode Island
Wheel arr.2-8-0 (Consolidation) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase22 ft 7 in
Rigid wheelbase15 ft
Total wheelbase48 ft 8 in
Service weight121,800 lbs
Adhesive weight108,700 lbs
Total weight196,850 lbs
Axle load27,175 lbs
Water capacity3,500 us gal
Fuel capacity15,000 lbs (coal)
Boiler
Grate area25.3 sq ft
Firebox area164 sq ft
Tube heating area1,760 sq ft
Evaporative heating area1,924 sq ft
Total heating area1,924 sq ft
Power Plant
Driver diameter51 in
Boiler pressure160 psi
Expansion typesimple
Cylinderstwo, 20 x 24 in
Power
Power sourcesteam
Estimated power675 hp (503 kW)
Starting effort25,600 lbf
Calculated Values
steam locomotive
freight
last changed: 10/2025
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