British Rail Class 27

The British Rail Class 27 was a diesel locomotive built by the Birmingham Railway Carriage and Wagon Company (BRCW) during 1961 and 1962. They were a development of the earlier Class 26. Both were originally classified as BRCW Type 2. There were 69 locomotives in the class.

BRCW Type 2 British Rail Class 27
27001 at Bo’ness
Power type	Diesel-electric
Builder	Birmingham Railway Carriage and Wagon Company
Serial number	DEL190–DEL258
Build date	1961–1962
Configuration	Bo-Bo
UIC classification	Bo'Bo'
Gauge
Wheel diameter	3 ft 7 in (1.092 m)
Minimum curve	5 chains (100 m)
Wheelbase	39 ft 0 in (11.89 m)
Length	50 ft 9 in (15.47 m)
Width	8 ft 10 in (2.69 m)
Height	12 ft 8 in (3.86 m)
Locomotive weight	Originally: 72.50 long tons (73.7 t)
Fuel capacity	685 imperial gallons (3,110 L; 823 US gal)
Prime mover	Sulzer 6LDA28-B
Transmission	DC generator, DC traction motors
Multiple working	★ Blue Star
Top speed	90 miles per hour (140 km/h)
Power output	Engine: 1,250 horsepower (930 kW) At rail: 933 horsepower (696 kW)
Tractive effort	Maximum: 42,000 pounds-force (190,000 N) Continuous: 25,000 pounds-force (110,000 N)
Train heating	As built: Steam generator 27/2: ETH
Locomotive brakeforce	34 long tons-force (340 kN)
Train brakes	Vacuum, some later dual Air & Vacuum
Career	British Railways
Number	D5347–D5415; later 27001–27066
Axle load class	Route availability 6 (RA 5 from 1969)

British Rail Class 27 Media

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  27005 at Glasgow Queen Street

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  Preserved 27001 at Bo'ness on 02/09/00.*Scanned from a Kodak Royal Gold 100 colour negative.

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  Bo'ness. - geograph.org.uk - 71183

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  Diesel locomotive at New Alresford - geograph.org.uk - 1655816

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  D5370 at Haverthwaite railway station (6558)

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  ... after the age of steam came ... (2411156966)

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  Class 27 locomotive, at Aviemore engine shed - geograph.org.uk - 4187249

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  D()

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  The Severn Valley Railway 21