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Norwegian State Railways type 25

Baldwin-built 25c No. 383 around 1960 at Trondheim

The NSB type 25 was a 0-6-0T tank locomotive used for shunting and transfer duties. Compared to the type 23, it had a lower axle load . Its basis was the type F of the NHJ (Norsk Hoved-Jernbane). There were five varia...

Norwegian State Railways type 25Remove
Variant
25a
Built 1909-1922, 1947
Manufacturers Hamar Jernstøberi;Baldwin;Thunes;Norsk Maskin Industri;SLM
Wheel arrangement C t
Gauge 1435 mm
Length 8670 mm
Service mass 35000 kg
Top speed 40 km/h
Power
Engine

General

Property Norwegian State Railways type 25
25a
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Built 1909-1922, 1947
Manufacturers Hamar Jernstøberi, Baldwin, Thunes, Norsk Maskin Industri, SLM
Wheel arrangement 0-6-0T (Six-coupled)
Gauge 1,435 mm

Dimensions and weights

Property Norwegian State Railways type 25
25a
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Length 8.67 m
Wheelbase 3.12 m
Empty mass 25.9 t
Service mass 35 t
Adhesion mass 35 t
Rigid wheelbase 3.12 m
Axle load 11.7 t
Water capacity 5,300 l
Fuel capacity 1.2 t (coal)

Boiler

Property Norwegian State Railways type 25
25a
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Grate area 1.17 m²
Tube heating surface 58 m²

Power plant

Property Norwegian State Railways type 25
25a
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Driver diameter 1,060 mm
Boiler pressure 12 bar
Expansion type simple expansion
Cylinders two, 360 x 500 mm

Power

Property Norwegian State Railways type 25
25a
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Power source steam
Estimated power 200 kW (272 PS)
Top speed 40 km/h
Starting effort 62.4 kN

Calculated values

Property Norwegian State Railways type 25
25a
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Factor of adhesion 1 : 5.51
Optimal speed 19 km/h
Power-to-weight ratio 5.7 kW/t
Adhesive weight/Total 1 : 1.00
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