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British Rail class 56 and Electroputere LDE 3500

56081 in BR Blue livery in October 2023 at Doncaster

The class 56 originated in the need of British Railways for a new power class 5 diesel locomotive in the seventies. It was specified that the bodyshell and many mechanical parts would be from the class 47. The engine ...

British Rail class 56 and Electroputere LDE 3500Remove
Variant Standard
Built 1976-1984
Manufacturers Electroputere;BREL
Wheel arrangement CoCo
Gauge 1435 mm
Length 19355 mm
Service mass 124974 kg
Top speed 129 km/h
Power
Engine Ruston-Paxman 16RK3CT

General

Property British Rail class 56 and Electroputere LDE 3500
Standard
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Built 1976-1984
Manufacturers Electroputere, BREL
Wheel arrangement C-C
Gauge 1,435 mm

Dimensions and weights

Property British Rail class 56 and Electroputere LDE 3500
Standard
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Length 19.36 m
Service mass 125 t
Adhesion mass 125 t
Axle load 20.8 t

Power plant

Property British Rail class 56 and Electroputere LDE 3500
Standard
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Engine Ruston-Paxman 16RK3CT
Engine type V16 diesel

Power

Property British Rail class 56 and Electroputere LDE 3500
Standard
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Power source diesel-electric
Indicated power 2,424 kW (3,296 PS)
Top speed 129 km/h
Starting effort 274.9 kN

Calculated values

Property British Rail class 56 and Electroputere LDE 3500
Standard
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Factor of adhesion 1 : 4.46
Power-to-weight ratio 19.4 kW/t
Adhesive weight/Total 1 : 1.00
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