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The reference for locomotives and railcars

British Rail class 58

Great Britain 1982 50 produced
58035 with an empty coal train at Woodthorpe Phil Sangwell CC BY 2.0

When it became clear that production of larger numbers of the class 56 would be too expensive, British Rail started development of a simpler successor. The new type became class 58 and the first ones were introduced into service in 1983. Like American diesel locomotives, they had a strong main frame that carried all weight. Not only the engine and it accessories were built in modules, even the cabs could be replaced after an accident. Their general appearance earned them the nickname “Bone”.

The engine was a development of the one used in the class 56, but with 12 cylinders instead of 16 and the same output. To load and unload coal trains, they got slow speed control that allowed to run at speeds as low as one mile per hour. After privatisation, all came to EWS, which used them until 2002. After this, some were sold or leased, partly to Spain, France and the Netherlands. The last ones in the UK were withdrawn in 2010 and also abroad, most are now scrapped.

Technical data

General

Built
1982-1987
Manufacturers
BREL
Wheel arrangement
C-C
Gauge
1,435 mm (Standard gauge)

Dimensions and weights

Length
19.13 m
Wheelbase
14.86 m
Service mass
130 t
Adhesion mass
130 t
Rigid wheelbase
4.19 m
Axle load
21.7 t

Power plant

Engine
Ruston Paxman 12RK3ACT
Engine type
V12 diesel

Power

Power source
diesel-electric
Indicated power
2,461 kW (3,346 PS)
Top speed
129 km/h
Starting effort
266.9 kN

Calculated values

Factor of adhesion
1 : 4.78
Power-to-weight ratio
18.9 kW/t
Adhesive weight/Total
1 : 1.00
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