British Rail Class 17

The British Rail Class 17, originally known as the Clayton Type 1, was a class of diesel locomotive operated by British Railways.

Clayton Type 1 British Railways class 17
D8574 at Glasgow Works.
Type and origin Power type Diesel-electric Builder Clayton Equipment Company & Beyer, Peacock & Co. Build date 1962–1965 Total produced 117
Specifications Configuration: ​  • Whyte Bo-Bo  • UIC Bo'Bo' Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 3 ft 3+1⁄2 in (1.003 m) Minimum curve 3.5 chains (70 m) Wheelbase 36 ft 6 in (11.13 m) Length 50 ft 7 in (15.42 m) Width 8 ft 9+1⁄2 in (2.68 m) Height 12 ft 8 in (3.86 m) Loco weight 69 long tons (70.1 t) Fuel capacity 500 imp gal (2,300 L; 600 US gal) Prime mover Paxman 6ZHXL, 2 off except D8586–8587: Rolls Royce ‘D’ type V8, 2 off Generator D8500–D8587: GEC WT800 D8588–D8616: Crompton Parkinson Traction motors GEC WT421, nose suspended, 4 off Transmission DC generator, DC traction motors MU working D8500–D8587 ◆ Red Diamond D8588–D8616 ★ Blue Star Train heating None; through steam pipe Train brakes Vacuum
Performance figures Top speed 60 mph (97 km/h) Power output Engine: 900 hp (671 kW) At rail: 602 hp (449 kW) Tractive effort Maximum: 40,000 lbf (178 kN) Continuous: 8,000 lbf (35.6 kN) Brakeforce 35 long tons-force (349 kN)
Career Railroad(s) British Railways Number D8500–D8616 Axle load class Route availability 4 Retired 1968–1971 Disposition One preserved, remainder scrapped.