English Electric Type 3 (Class 37)


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The British Rail Class 37 is a diesel-electric locomotive. Also known as the English Electric Type 3, the Class was ordered as part of the British Rail modernisation plan.

A number of locomotives were rebuilt as Class 37/9 in the late 1980s to evaluate Mirrlees and Ruston engines for possible use on a new Class 38 freight locomotive. These 'Slugs' were heavily ballasted to improve traction and had excellent load-hauling capabilities, but the Class 38 (understood to be a 'modular' locomotive based on the approach that gave rise to the Class 58 and the unbuilt Class 88 electric loco) was never built.

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The split left end is to show the newer style front.

The interior