British Rail Class D20/2 facts for kids
Quick facts for kids British Rail Class D20/2 |
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Power type | Diesel-hydraulic |
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Builder | North British Locomotive Company |
Serial number | 27660–27664 |
Build date | 1958–1959 |
Total production | 5 |
Configuration | A1A-A1A |
UIC classification | (A1A)'(A1A)' |
Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
Wheel diameter | Driving: 3 ft 7 in (1.092 m) Idling: 3 ft 3+1⁄2 in (1.003 m) |
Wheelbase | 50 ft 0 in (15.24 m) |
Length | 65 ft 0 in (19.81 m) |
Width | 8 ft 8 in (2.64 m) |
Height | 12 ft 10 in (3.91 m) |
Locomotive weight | 117 long tons (119 t) |
Fuel capacity | 800 imp gal (3,600 L; 960 US gal) |
Prime mover | NBL-MAN L12V 18/21S, 2 off |
Transmission | Hydraulic, Voith L306r |
Multiple working | ■ Orange Square |
Top speed | 90 mph (145 km/h) |
Power output | Engines: 1,000 bhp (746 kW) × 2 |
Tractive effort | Maximum: 50,000 lbf (222 kN) Continuous: 39,600 lbf (176 kN) |
Train heating | Steam |
Locomotive brakeforce | 88 long tons-force (877 kN) |
Train brakes | Vacuum |
Career | British Railways |
Number | D600–D604 |
Nicknames | “Warships” |
Axle load class | Route availability |
Retired | December 1967 |
Disposition | All scrapped |
The British Railways Class D20/2 diesel-hydraulic locomotives were built by the North British Locomotive Company in Glasgow during 1957 and 1958. Although never assigned a TOPS class as they were withdrawn before TOPS was introduced British Loco enthusiasts coined the term "Class 41". All were named after Royal Navy vessels, hence the nameplates each bore a subtitle "Warship Class".
Images for kids
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The nameplate of D601 Ark Royal on display at the National Railway Museum. These were generally coloured red, but this was changed to black if the locomotive was repainted blue.
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British Rail Class D20/2 Facts for Kids. Kiddle Encyclopedia.