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British Rail Class 44 facts for kids

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Derby Type 4
British Rail Class 44
Preserved Class 44 number D8 at Rowsley South, on Peak Rail
Power type Diesel-electric
Builder British Railways’ Derby Works
Total production 10
Configuration 1Co-Co1
UIC classification (1Co)'(Co1)'
Gauge 4 ft 8 12 in (1,435 mm)
Wheel diameter 3 ft 9 in (1.143 m)
Minimum curve 5 chains (100 m)
Wheelbase 59 ft 8 in (18.19 m)
Length 67 ft 11 in (20.70 m)
Width 8 ft 10+12 in (2.71 m)
Height 12 ft 10 in (3.91 m)
Locomotive weight 133 long tons (135 t)
Fuel capacity 840 imp gal (3,800 L; 1,010 US gal)
Prime mover Sulzer 12LDA28-A
Multiple working Blue Star
Power output Engine: 2,300 bhp (1,715 kW)
At rail: 1,800 hp (1,342 kW)
Tractive effort Maximum: 50,000 lbf (222 kN)
Train heating Steam generator
Locomotive brakeforce 63 long tons-force (628 kN)
Train brakes Vacuum
Career British Railways
Number D1–D10; later 44001–44010
Nicknames ‘Peak’
Axle load class Route availability 7

The British Rail Class 44 or Sulzer Type 4 diesel locomotives were built by British Railways' Derby Works between 1959 and 1960. They were named after British mountains, and were then nicknamed Peaks.


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