Specifications [ BR Class 37 (English Electric Type 3) ]
English Electric (Vulcan Foundry) / Robert Stephenson and Hawthorns - UK
1960 - 1965
18.8m | 61.5 ft
NOTE: May include length of entire train set
(224,039 lb | 112 US Tons)
AS BUILT: 1 x English Electric 12CSVT with English Electric EE822 main generator and EE911/5C auxiliary; LATER: Brush BA1005A alternator with Brush BA606A auxiliary.
Engine / Drive Source
English Electric DC traction motor arrangement.
Traction Motor / Sets
Rated Output Power
(Loco Facing Left)
Class 37 - Base Series Designation.
English Electric Type 3 - Alternative Designation.
Class 37/0 - Unmodified original series units (designated as such only when additional subclasses were added to the series line).
Class 37/3 - Rebuilt units.
Class 37/4 - Refurbished units; Brush alternators; Electric Train Supply (ETS) installed; modernized electricals.
Class 37/5 - Refurbished units; Brush alternators.
Class 37/6 - Class 37/5 units with ETS systems; RCH jumper cables.
Class 37/7 - Refurbished units; GEC G564AZ OR Brush series alternators; modernized electricals; increased operating weight.
Class 37/9 - Refurbished units; Brush alternators; Mirrlees MB275Tt OR Ruston RK270Tt engines fitted.
Customers / Operators:
British Railways; Colas Rail; Direct Rail Services; Europhoenix; EWS (English, Welsh and Scottish Railway / DB Cargo UK / DB Schenker); Locomotive Services Limited; Rail Operations Group; West Coast Railways
NOTE: Includes both past and present