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British Rail Class 15 facts for kids

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BTH Type 1
British Rail Class 15
Sole surviving Class 15 no D8233 seen at Baron Street Loco Shed, East Lancashire Railway, February 2006
Power type Diesel-electric
Builder British Thomson-Houston at Clayton Equipment Company
Build date 1957–1961
Total production 44
Configuration Bo-Bo
UIC classification Bo'Bo'
Gauge ft 8+12 in (1,435 mmstandard gauge
Wheel diameter 3 ft 3 12 in (1.003 m)
Minimum curve 3.5 chains (70 m)
Wheelbase 31 ft 0 in (9.45 m)
Length 42 ft 0 in (12.80 m)
Width 9 ft 2 in (2.79 m)
Height 12 ft 6 in (3.81 m)
Locomotive weight 69 long tons (70.1 t)
Fuel capacity 400 imp gal (1,800 l; 480 US gal)
Prime mover Paxman 16YHXL
Generator BTH RTB10858
Traction motors BTH 137AZ, 4 off
Transmission DC generator, DC traction motors
Multiple working Blue Star
Top speed 60 mph (97 km/h)
Power output Engine: 800 hp (597 kW)
At rail: 627 hp (468 kW)
Tractive effort Maximum: 37,500 lbf (166.8 kN)
Locomotive brakeforce 31 long tons-force (310 kN)
Train brakes Vacuum
Career British Railways
Number D8200–D8243
Axle load class RA 4
Retired 1968–1971

The British Rail Class 15 diesel locomotives, also known as the BTH Type 1, were designed by British Thomson-Houston, and built by the Yorkshire Engine Company and the Clayton Equipment Company, between 1957 and 1961.

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