The class was designed for both passenger and freight work. Seven orders were placed with English Electric, as follows: EE order no.ĭuties Distribution of locomotives, The bodywork bears a strong family resemblance to other English Electric designs such as the Class 40 and Class 23 'Baby Deltic'. The 309 locomotives produced in total were originally numbered in the range D6700-D6999 and D6600-D6608. English Electric split the construction between Vulcan Foundry at Newton-le-Willows, and Robert Stephenson and Hawthorns of Darlington. The final locomotive was delivered to the Western Region on 9 November 1965. BR had ordered further Class 37s before the last of the original batch had been completed in mid-1962. The first was delivered in November 1960 it entered service on 2 December. British Railways placed an order for 42 Class 37 locomotives in January 1959. Building ĭ6712 in BR green livery departing Ely in 1971 The design was for a general purpose locomotive and initially found service in British Rail's Eastern Region.
A design based on the exported locomotives was put forward and accepted. English Electric had already been successful with orders for type 1 and type 4 diesels, and had produced locomotives of similar power for railways in East Africa. The Class 37s are known to some railway enthusiasts as " tractors", a nickname given due to the similarities between the class's engine and a tractor's.Īs part of the large scale dieselisation brought about by the British Rail modernisation plan a need was identified for a number of type 3 locomotives of power output 1,500 hp (1,100 kW) to 1,999 hp (1,491 kW). They also performed well on secondary and inter-regional services for many years. The Class 37 became a familiar sight on many parts of the British Rail network, in particular forming the main motive power for InterCity services in East Anglia and within Scotland.
Also known as the English Electric Type 3, the class was ordered as part of the British Rail modernisation plan. The British Rail Class 37 is a diesel-electric locomotive. Tractor, also Syphon, Growler or Slugs ģ5 preserved, 66 still in service, 1 rebuilt as Class 23, remainder scrapped Main: English Electric EE822, Aux EE911/5C English Electric at Vulcan Foundry and Robert Stephenson and HawthornsĤ ft 8 + 1⁄ 2 in ( 1,435 mm) standard gaugeġ00 long tons (102 t 112 short tons) to 105 long tons (107 t 118 short tons)Įxcept 37/7 and 37/9 class - ballasted to 120 long tons (122 t 134 short tons) Ĩ90 imp gal (4,000 l 1,070 US gal) increased to 1,690 imp gal (7,700 l 2,030 US gal) on rebuild ģ7/9: Mirrlees Blackstone MB275Tt or Ruston RK270Tt
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