The British Rail Class 17, originally known as the Clayton Type 1, was a class of diesel locomotive operated by British Railways.
Quick Facts Clayton Type 1, Type and origin ...
Clayton Type 1
British Railways class 17 |
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 D8574 at Glasgow Works. |
| Type and origin |
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| Power type | Diesel-electric |
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| Builder | Clayton Equipment Company & Beyer, Peacock & Co. |
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| Build date | 1962–1965 |
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| Total produced | 117 |
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| Specifications |
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Configuration:
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| • Whyte | Bo-Bo |
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| • UIC | Bo'Bo' |
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| Gauge | 4 ft 8 1⁄2 in (1,435 mm) standard gauge |
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| Wheel diameter | 3 ft 3+1⁄2 in (1.003 m) |
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| Minimum curve | 3.5 chains (70 m) |
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| Wheelbase | 36 ft 6 in (11.13 m) |
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| Length | 50 ft 7 in (15.42 m) |
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| Width | 8 ft 9+1⁄2 in (2.68 m) |
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| Height | 12 ft 8 in (3.86 m) |
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| Loco weight | 69 long tons (70.1 t) |
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| Fuel capacity | 500 imp gal (2,300 L; 600 US gal) |
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| Prime mover | Paxman 6ZHXL, 2 off
except D8586–8587: Rolls Royce ‘D’ type V8, 2 off |
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| Generator | D8500–D8587: GEC WT800
D8588–D8616: Crompton Parkinson |
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| Traction motors | GEC WT421, nose suspended, 4 off |
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| Transmission | DC generator, DC traction motors |
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| MU working | D8500–D8587 ◆ Red Diamond
D8588–D8616 ★ Blue Star |
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| Train heating | None; through steam pipe |
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| Train brakes | Vacuum |
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| Performance figures |
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| Top speed | 60 mph (97 km/h) |
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| Power output | Engine: 900 hp (671 kW)
At rail: 602 hp (449 kW) |
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| Tractive effort | Maximum: 40,000 lbf (178 kN)
Continuous: 8,000 lbf (35.6 kN) |
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| Brakeforce | 35 long tons-force (349 kN) |
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