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British Rail class 47 (Brush Traction type 4)
originally D1500
Great Britain | 1962 | 512 produced
Network South East 47701 in Exeter
Network South East 47701 in Exeter
Jim

The Class 47 was produced in large numbers from 1962 to replace the last steam locomotives and therefore had to have an axle load of less than 20 tons. They were powered by a Sulzer twelve-cylinder engine with two cylinder banks. The initial 2,750 hp was soon reduced to 2,580 hp to improve reliability. Initially, most of the locomotives were given steam boilers, which were later replaced with electric train heating. This resulted in a large number of sub-variants that are used for passenger and freight trains and have a maximum speed of 75, 95 or 100 mph. A total of 33 locomotives were converted to Class 57 from 1998. The number of locomotives in use that have not been converted has now fallen significantly.

Variantas builtreduced power47/4
General
Built1962-19681979-1980
ManufacturerBrush Traction, Crewe
Axle configC-C 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length63 ft 7 in
Wheelbase51 ft 6 in
Service weight264,320 lbs
Adhesive weight264,320 lbs
Axle load44,053 lbs
Power
Power sourcediesel-electric
Top speed75 mph95 mph
Starting effort60,000 lbf55,000 lbf
EngineSulzer 12LDA28-C
Engine type12-cyl. diesel
Fuel1,021 us gal (diesel)
Engine output2,750 hp (2,051 kW)2,580 hp (1,924 kW)
Power Plant
Boiler
Calculated Values
diesel locomotive
passenger
freight
last changed: 04/2023
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